diff options
Diffstat (limited to 'src/test/ui/for-loop-while')
57 files changed, 0 insertions, 1434 deletions
diff --git a/src/test/ui/for-loop-while/auto-loop.rs b/src/test/ui/for-loop-while/auto-loop.rs deleted file mode 100644 index f02ac43c734..00000000000 --- a/src/test/ui/for-loop-while/auto-loop.rs +++ /dev/null @@ -1,10 +0,0 @@ -// run-pass - -pub fn main() { - let mut sum = 0; - let xs = vec![1, 2, 3, 4, 5]; - for x in &xs { - sum += *x; - } - assert_eq!(sum, 15); -} diff --git a/src/test/ui/for-loop-while/break-outside-loop.rs b/src/test/ui/for-loop-while/break-outside-loop.rs deleted file mode 100644 index 26769b30dd5..00000000000 --- a/src/test/ui/for-loop-while/break-outside-loop.rs +++ /dev/null @@ -1,35 +0,0 @@ -struct Foo { - t: String -} - -fn cond() -> bool { true } - -fn foo<F>(_: F) where F: FnOnce() {} - -fn main() { - let pth = break; //~ ERROR: `break` outside of a loop - if cond() { continue } //~ ERROR: `continue` outside of a loop - - while cond() { - if cond() { break } - if cond() { continue } - foo(|| { - if cond() { break } //~ ERROR: `break` inside of a closure - if cond() { continue } //~ ERROR: `continue` inside of a closure - }) - } - - let rs: Foo = Foo{t: pth}; - - let unconstrained = break; //~ ERROR: `break` outside of a loop - - // This used to ICE because `target_id` passed to `check_expr_break` would be the closure and - // not the `loop`, which failed in the call to `find_breakable`. (#65383) - 'lab: loop { - || { - break 'lab; - //~^ ERROR use of unreachable label `'lab` - //~| ERROR `break` inside of a closure - }; - } -} diff --git a/src/test/ui/for-loop-while/break-outside-loop.stderr b/src/test/ui/for-loop-while/break-outside-loop.stderr deleted file mode 100644 index 9092f34df35..00000000000 --- a/src/test/ui/for-loop-while/break-outside-loop.stderr +++ /dev/null @@ -1,58 +0,0 @@ -error[E0767]: use of unreachable label `'lab` - --> $DIR/break-outside-loop.rs:30:19 - | -LL | 'lab: loop { - | ---- unreachable label defined here -LL | || { -LL | break 'lab; - | ^^^^ unreachable label `'lab` - | - = note: labels are unreachable through functions, closures, async blocks and modules - -error[E0268]: `break` outside of a loop or labeled block - --> $DIR/break-outside-loop.rs:10:15 - | -LL | let pth = break; - | ^^^^^ cannot `break` outside of a loop or labeled block - -error[E0268]: `continue` outside of a loop - --> $DIR/break-outside-loop.rs:11:17 - | -LL | if cond() { continue } - | ^^^^^^^^ cannot `continue` outside of a loop - -error[E0267]: `break` inside of a closure - --> $DIR/break-outside-loop.rs:17:25 - | -LL | foo(|| { - | -- enclosing closure -LL | if cond() { break } - | ^^^^^ cannot `break` inside of a closure - -error[E0267]: `continue` inside of a closure - --> $DIR/break-outside-loop.rs:18:25 - | -LL | foo(|| { - | -- enclosing closure -LL | if cond() { break } -LL | if cond() { continue } - | ^^^^^^^^ cannot `continue` inside of a closure - -error[E0268]: `break` outside of a loop or labeled block - --> $DIR/break-outside-loop.rs:24:25 - | -LL | let unconstrained = break; - | ^^^^^ cannot `break` outside of a loop or labeled block - -error[E0267]: `break` inside of a closure - --> $DIR/break-outside-loop.rs:30:13 - | -LL | || { - | -- enclosing closure -LL | break 'lab; - | ^^^^^^^^^^ cannot `break` inside of a closure - -error: aborting due to 7 previous errors - -Some errors have detailed explanations: E0267, E0268, E0767. -For more information about an error, try `rustc --explain E0267`. diff --git a/src/test/ui/for-loop-while/break-value.rs b/src/test/ui/for-loop-while/break-value.rs deleted file mode 100644 index 9fc49fa8181..00000000000 --- a/src/test/ui/for-loop-while/break-value.rs +++ /dev/null @@ -1,7 +0,0 @@ -// run-pass -#![allow(unreachable_code)] -// pretty-expanded FIXME #23616 - -fn int_id(x: isize) -> isize { return x; } - -pub fn main() { loop { int_id(break); } } diff --git a/src/test/ui/for-loop-while/break-while-condition.rs b/src/test/ui/for-loop-while/break-while-condition.rs deleted file mode 100644 index 6064e6ab002..00000000000 --- a/src/test/ui/for-loop-while/break-while-condition.rs +++ /dev/null @@ -1,29 +0,0 @@ -#![feature(never_type)] - -fn main() { - // The `if false` expressions are simply to - // make sure we don't avoid checking everything - // simply because a few expressions are unreachable. - - if false { - let _: ! = { //~ ERROR mismatched types - 'a: while break 'a {}; - }; - } - - if false { - let _: ! = { - while false { //~ ERROR mismatched types - break - } - }; - } - - if false { - let _: ! = { - while false { //~ ERROR mismatched types - return - } - }; - } -} diff --git a/src/test/ui/for-loop-while/break-while-condition.stderr b/src/test/ui/for-loop-while/break-while-condition.stderr deleted file mode 100644 index e79f6a75fde..00000000000 --- a/src/test/ui/for-loop-while/break-while-condition.stderr +++ /dev/null @@ -1,45 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/break-while-condition.rs:9:20 - | -LL | let _: ! = { - | ____________________^ -LL | | 'a: while break 'a {}; -LL | | }; - | |_________^ expected `!`, found `()` - | - = note: expected type `!` - found unit type `()` - -error[E0308]: mismatched types - --> $DIR/break-while-condition.rs:16:13 - | -LL | / while false { -LL | | break -LL | | } - | |_____________^ expected `!`, found `()` - | - = note: expected type `!` - found unit type `()` - -error[E0308]: mismatched types - --> $DIR/break-while-condition.rs:24:13 - | -LL | / while false { -LL | | return -LL | | } - | |_____________^ expected `!`, found `()` - | - = note: expected type `!` - found unit type `()` -note: the function expects a value to always be returned, but loops might run zero times - --> $DIR/break-while-condition.rs:24:13 - | -LL | while false { - | ^^^^^^^^^^^ this might have zero elements to iterate on -LL | return - | ------ if the loop doesn't execute, this value would never get returned - = help: return a value for the case when the loop has zero elements to iterate on, or consider changing the return type to account for that possibility - -error: aborting due to 3 previous errors - -For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/for-loop-while/break.rs b/src/test/ui/for-loop-while/break.rs deleted file mode 100644 index 427b1b7a063..00000000000 --- a/src/test/ui/for-loop-while/break.rs +++ /dev/null @@ -1,25 +0,0 @@ -// run-pass - -pub fn main() { - let mut i = 0; - while i < 20 { i += 1; if i == 10 { break; } } - assert_eq!(i, 10); - loop { i += 1; if i == 20 { break; } } - assert_eq!(i, 20); - let xs = [1, 2, 3, 4, 5, 6]; - for x in &xs { - if *x == 3 { break; } assert!((*x <= 3)); - } - i = 0; - while i < 10 { i += 1; if i % 2 == 0 { continue; } assert!((i % 2 != 0)); } - i = 0; - loop { - i += 1; if i % 2 == 0 { continue; } assert!((i % 2 != 0)); - if i >= 10 { break; } - } - let ys = vec![1, 2, 3, 4, 5, 6]; - for x in &ys { - if *x % 2 == 0 { continue; } - assert!((*x % 2 != 0)); - } -} diff --git a/src/test/ui/for-loop-while/cleanup-rvalue-during-if-and-while.rs b/src/test/ui/for-loop-while/cleanup-rvalue-during-if-and-while.rs deleted file mode 100644 index afc77355ab0..00000000000 --- a/src/test/ui/for-loop-while/cleanup-rvalue-during-if-and-while.rs +++ /dev/null @@ -1,41 +0,0 @@ -// run-pass -// This test verifies that temporaries created for `while`'s and `if` -// conditions are dropped after the condition is evaluated. - -struct Temporary; - -static mut DROPPED: isize = 0; - -impl Drop for Temporary { - fn drop(&mut self) { - unsafe { DROPPED += 1; } - } -} - -impl Temporary { - fn do_stuff(&self) -> bool {true} -} - -fn borrow() -> Box<Temporary> { Box::new(Temporary) } - - -pub fn main() { - let mut i = 0; - - // This loop's condition - // should call `Temporary`'s - // `drop` 6 times. - while borrow().do_stuff() { - i += 1; - unsafe { assert_eq!(DROPPED, i) } - if i > 5 { - break; - } - } - - // This if condition should - // call it 1 time - if borrow().do_stuff() { - unsafe { assert_eq!(DROPPED, i + 1) } - } -} diff --git a/src/test/ui/for-loop-while/for-destruct.rs b/src/test/ui/for-loop-while/for-destruct.rs deleted file mode 100644 index 7ca8d4ded25..00000000000 --- a/src/test/ui/for-loop-while/for-destruct.rs +++ /dev/null @@ -1,9 +0,0 @@ -// run-pass - -struct Pair { x: isize, y: isize } - -pub fn main() { - for elt in &(vec![Pair {x: 10, y: 20}, Pair {x: 30, y: 0}]) { - assert_eq!(elt.x + elt.y, 30); - } -} diff --git a/src/test/ui/for-loop-while/for-loop-goofiness.rs b/src/test/ui/for-loop-while/for-loop-goofiness.rs deleted file mode 100644 index 872ab168bb2..00000000000 --- a/src/test/ui/for-loop-while/for-loop-goofiness.rs +++ /dev/null @@ -1,16 +0,0 @@ -// run-pass -#![allow(dead_code)] - -enum BogusOption<T> { - None, - Some(T), -} - -type Iterator = isize; - -pub fn main() { - let x = [ 3, 3, 3 ]; - for i in &x { - assert_eq!(*i, 3); - } -} diff --git a/src/test/ui/for-loop-while/for-loop-has-unit-body.rs b/src/test/ui/for-loop-while/for-loop-has-unit-body.rs deleted file mode 100644 index eba385461b9..00000000000 --- a/src/test/ui/for-loop-while/for-loop-has-unit-body.rs +++ /dev/null @@ -1,13 +0,0 @@ -// run-pass -fn main() { - // Check that the tail statement in the body unifies with something - for _ in 0..3 { - // `()` is fine to zero-initialize as it is zero sized and inhabited. - unsafe { std::mem::zeroed() } - } - - // Check that the tail statement in the body can be unit - for _ in 0..3 { - () - } -} diff --git a/src/test/ui/for-loop-while/for-loop-into-iterator.rs b/src/test/ui/for-loop-while/for-loop-into-iterator.rs deleted file mode 100644 index 199d4ddb299..00000000000 --- a/src/test/ui/for-loop-while/for-loop-into-iterator.rs +++ /dev/null @@ -1,19 +0,0 @@ -// run-pass -// Test that for loops can do what RFC #235 claims - - -fn main() { - let mut v = vec![1]; - - for x in &v { - assert_eq!(x, &1); - } - - for x in &mut v { - assert_eq!(x, &mut 1); - } - - for x in v { - assert_eq!(x, 1); - } -} diff --git a/src/test/ui/for-loop-while/for-loop-lifetime-of-unbound-values.rs b/src/test/ui/for-loop-while/for-loop-lifetime-of-unbound-values.rs deleted file mode 100644 index 6a38764a131..00000000000 --- a/src/test/ui/for-loop-while/for-loop-lifetime-of-unbound-values.rs +++ /dev/null @@ -1,34 +0,0 @@ -// run-pass -// Test when destructors run in a for loop. The intention is -// that the value for each iteration is dropped *after* the loop -// body has executed. This is true even when the value is assigned -// to a `_` pattern (and hence ignored). - -use std::cell::Cell; - -struct Flag<'a>(&'a Cell<bool>); - -impl<'a> Drop for Flag<'a> { - fn drop(&mut self) { - self.0.set(false) - } -} - -fn main() { - let alive2 = Cell::new(true); - for _i in std::iter::once(Flag(&alive2)) { - // The Flag value should be alive in the for loop body - assert_eq!(alive2.get(), true); - } - // The Flag value should be dead outside of the loop - assert_eq!(alive2.get(), false); - - let alive = Cell::new(true); - for _ in std::iter::once(Flag(&alive)) { - // The Flag value should be alive in the for loop body even if it wasn't - // bound by the for loop - assert_eq!(alive.get(), true); - } - // The Flag value should be dead outside of the loop - assert_eq!(alive.get(), false); -} diff --git a/src/test/ui/for-loop-while/for-loop-macro.rs b/src/test/ui/for-loop-while/for-loop-macro.rs deleted file mode 100644 index 5abccd2a141..00000000000 --- a/src/test/ui/for-loop-while/for-loop-macro.rs +++ /dev/null @@ -1,11 +0,0 @@ -// run-pass -macro_rules! var { - ( $name:ident ) => ( $name ); -} - -pub fn main() { - let x = [ 3, 3, 3 ]; - for var!(i) in &x { - assert_eq!(*i, 3); - } -} diff --git a/src/test/ui/for-loop-while/for-loop-mut-ref-element.rs b/src/test/ui/for-loop-while/for-loop-mut-ref-element.rs deleted file mode 100644 index a3d82ace9e2..00000000000 --- a/src/test/ui/for-loop-while/for-loop-mut-ref-element.rs +++ /dev/null @@ -1,6 +0,0 @@ -// run-pass -// Tests that for loops can bind elements as mutable references - -fn main() { - for ref mut _a in std::iter::once(true) {} -} diff --git a/src/test/ui/for-loop-while/for-loop-no-std.rs b/src/test/ui/for-loop-while/for-loop-no-std.rs deleted file mode 100644 index 65a33c5f16f..00000000000 --- a/src/test/ui/for-loop-while/for-loop-no-std.rs +++ /dev/null @@ -1,14 +0,0 @@ -// run-pass -#![allow(unused_imports)] -#![feature(lang_items, start)] -#![no_std] - -extern crate std as other; - -#[macro_use] extern crate alloc; - -#[start] -fn start(_argc: isize, _argv: *const *const u8) -> isize { - for _ in [1,2,3].iter() { } - 0 -} diff --git a/src/test/ui/for-loop-while/for-loop-panic.rs b/src/test/ui/for-loop-while/for-loop-panic.rs deleted file mode 100644 index ac607d6d731..00000000000 --- a/src/test/ui/for-loop-while/for-loop-panic.rs +++ /dev/null @@ -1,4 +0,0 @@ -// run-pass - - -pub fn main() { let x: Vec<isize> = Vec::new(); for _ in &x { panic!("moop"); } } diff --git a/src/test/ui/for-loop-while/for-loop-unconstrained-element-type-i32-fallback.rs b/src/test/ui/for-loop-while/for-loop-unconstrained-element-type-i32-fallback.rs deleted file mode 100644 index a1e9b1ed87d..00000000000 --- a/src/test/ui/for-loop-while/for-loop-unconstrained-element-type-i32-fallback.rs +++ /dev/null @@ -1,11 +0,0 @@ -// run-pass -// Test that the type of `sum` falls back to `i32` here, -// and that the for loop desugaring doesn't interfere with -// that. - -fn main() { - let mut sum = 0; - for i in Vec::new() { - sum += &i; - } -} diff --git a/src/test/ui/for-loop-while/foreach-external-iterators-break.rs b/src/test/ui/for-loop-while/foreach-external-iterators-break.rs deleted file mode 100644 index 7de6a4f8acb..00000000000 --- a/src/test/ui/for-loop-while/foreach-external-iterators-break.rs +++ /dev/null @@ -1,13 +0,0 @@ -// run-pass - -pub fn main() { - let x = [1; 100]; - let mut y = 0; - for i in &x[..] { - if y > 10 { - break; - } - y += *i; - } - assert_eq!(y, 11); -} diff --git a/src/test/ui/for-loop-while/foreach-external-iterators-hashmap-break-restart.rs b/src/test/ui/for-loop-while/foreach-external-iterators-hashmap-break-restart.rs deleted file mode 100644 index 5d690807e05..00000000000 --- a/src/test/ui/for-loop-while/foreach-external-iterators-hashmap-break-restart.rs +++ /dev/null @@ -1,33 +0,0 @@ -// run-pass - -use std::collections::HashMap; - -// This is a fancy one: it uses an external iterator established -// outside the loop, breaks, then _picks back up_ and continues -// iterating with it. - -pub fn main() { - let mut h = HashMap::new(); - let kvs = [(1, 10), (2, 20), (3, 30)]; - for &(k,v) in &kvs { - h.insert(k,v); - } - let mut x = 0; - let mut y = 0; - - let mut i = h.iter(); - - for (&k,&v) in i.by_ref() { - x += k; - y += v; - break; - } - - for (&k,&v) in i { - x += k; - y += v; - } - - assert_eq!(x, 6); - assert_eq!(y, 60); -} diff --git a/src/test/ui/for-loop-while/foreach-external-iterators-hashmap.rs b/src/test/ui/for-loop-while/foreach-external-iterators-hashmap.rs deleted file mode 100644 index 9f2ca05cdb6..00000000000 --- a/src/test/ui/for-loop-while/foreach-external-iterators-hashmap.rs +++ /dev/null @@ -1,19 +0,0 @@ -// run-pass - -use std::collections::HashMap; - -pub fn main() { - let mut h = HashMap::new(); - let kvs = [(1, 10), (2, 20), (3, 30)]; - for &(k,v) in &kvs { - h.insert(k,v); - } - let mut x = 0; - let mut y = 0; - for (&k,&v) in &h { - x += k; - y += v; - } - assert_eq!(x, 6); - assert_eq!(y, 60); -} diff --git a/src/test/ui/for-loop-while/foreach-external-iterators-loop.rs b/src/test/ui/for-loop-while/foreach-external-iterators-loop.rs deleted file mode 100644 index 78af195bc20..00000000000 --- a/src/test/ui/for-loop-while/foreach-external-iterators-loop.rs +++ /dev/null @@ -1,13 +0,0 @@ -// run-pass - -pub fn main() { - let x = [1; 100]; - let mut y = 0; - for (n,i) in x.iter().enumerate() { - if n < 10 { - continue; - } - y += *i; - } - assert_eq!(y, 90); -} diff --git a/src/test/ui/for-loop-while/foreach-external-iterators-nested.rs b/src/test/ui/for-loop-while/foreach-external-iterators-nested.rs deleted file mode 100644 index 8a95f160a1a..00000000000 --- a/src/test/ui/for-loop-while/foreach-external-iterators-nested.rs +++ /dev/null @@ -1,15 +0,0 @@ -// run-pass - -pub fn main() { - let x = [1; 100]; - let y = [2; 100]; - let mut p = 0; - let mut q = 0; - for i in &x[..] { - for j in &y[..] { - p += *j; - } - q += *i + p; - } - assert_eq!(q, 1010100); -} diff --git a/src/test/ui/for-loop-while/foreach-external-iterators.rs b/src/test/ui/for-loop-while/foreach-external-iterators.rs deleted file mode 100644 index 24ecfe9b60d..00000000000 --- a/src/test/ui/for-loop-while/foreach-external-iterators.rs +++ /dev/null @@ -1,10 +0,0 @@ -// run-pass - -pub fn main() { - let x = [1; 100]; - let mut y = 0; - for i in &x[..] { - y += *i - } - assert_eq!(y, 100); -} diff --git a/src/test/ui/for-loop-while/foreach-nested.rs b/src/test/ui/for-loop-while/foreach-nested.rs deleted file mode 100644 index bb6edbc0797..00000000000 --- a/src/test/ui/for-loop-while/foreach-nested.rs +++ /dev/null @@ -1,16 +0,0 @@ -// run-pass - - -fn two<F>(mut it: F) where F: FnMut(isize) { it(0); it(1); } - -pub fn main() { - let mut a: Vec<isize> = vec![-1, -1, -1, -1]; - let mut p: isize = 0; - two(|i| { - two(|j| { a[p as usize] = 10 * i + j; p += 1; }) - }); - assert_eq!(a[0], 0); - assert_eq!(a[1], 1); - assert_eq!(a[2], 10); - assert_eq!(a[3], 11); -} diff --git a/src/test/ui/for-loop-while/foreach-put-structured.rs b/src/test/ui/for-loop-while/foreach-put-structured.rs deleted file mode 100644 index 3a47fcf3415..00000000000 --- a/src/test/ui/for-loop-while/foreach-put-structured.rs +++ /dev/null @@ -1,22 +0,0 @@ -// run-pass - - -fn pairs<F>(mut it: F) where F: FnMut((isize, isize)) { - let mut i: isize = 0; - let mut j: isize = 0; - while i < 10 { it((i, j)); i += 1; j += i; } -} - -pub fn main() { - let mut i: isize = 10; - let mut j: isize = 0; - pairs(|p| { - let (_0, _1) = p; - println!("{}", _0); - println!("{}", _1); - assert_eq!(_0 + 10, i); - i += 1; - j = _1; - }); - assert_eq!(j, 45); -} diff --git a/src/test/ui/for-loop-while/foreach-simple-outer-slot.rs b/src/test/ui/for-loop-while/foreach-simple-outer-slot.rs deleted file mode 100644 index a8d42a789ba..00000000000 --- a/src/test/ui/for-loop-while/foreach-simple-outer-slot.rs +++ /dev/null @@ -1,16 +0,0 @@ -// run-pass - - - -pub fn main() { - let mut sum: isize = 0; - first_ten(|i| { println!("main"); println!("{}", i); sum = sum + i; }); - println!("sum"); - println!("{}", sum); - assert_eq!(sum, 45); -} - -fn first_ten<F>(mut it: F) where F: FnMut(isize) { - let mut i: isize = 0; - while i < 10 { println!("first_ten"); it(i); i = i + 1; } -} diff --git a/src/test/ui/for-loop-while/issue-2216.rs b/src/test/ui/for-loop-while/issue-2216.rs deleted file mode 100644 index ad54107423d..00000000000 --- a/src/test/ui/for-loop-while/issue-2216.rs +++ /dev/null @@ -1,24 +0,0 @@ -// run-pass -#![allow(unreachable_code)] -pub fn main() { - let mut x = 0; - - 'foo: loop { - 'bar: loop { - loop { - if 1 == 2 { - break 'foo; - } - else { - break 'bar; - } - } - continue 'foo; - } - x = 42; - break; - } - - println!("{}", x); - assert_eq!(x, 42); -} diff --git a/src/test/ui/for-loop-while/issue-51345.rs b/src/test/ui/for-loop-while/issue-51345.rs deleted file mode 100644 index 15571e8bf5b..00000000000 --- a/src/test/ui/for-loop-while/issue-51345.rs +++ /dev/null @@ -1,8 +0,0 @@ -// run-pass -#![allow(unreachable_code)] - -fn main() { - let mut v = Vec::new(); - - loop { v.push(break) } -} diff --git a/src/test/ui/for-loop-while/issue-69841.rs b/src/test/ui/for-loop-while/issue-69841.rs deleted file mode 100644 index 1aca16ca804..00000000000 --- a/src/test/ui/for-loop-while/issue-69841.rs +++ /dev/null @@ -1,31 +0,0 @@ -// This is a regression test for issue rust-lang/rust#69841, which exposed an -// LLVM bug which needed a fix to be backported. - -// run-pass -// no-system-llvm - -fn main() { - let buffer = [49u8, 10]; - let mut a : u64 = 0; - 'read: loop { - for c in &buffer { - match c { - 48..=57 => { - a*= 10; - a+= *c as u64 - 48; - } - 10 => { - break 'read; - } - _ => { - unsafe { std::hint::unreachable_unchecked() }; - } - } - } - } - if a == 1 { - println!("What did you expect?"); - } else { - panic!("this should be unreachable."); - } -} diff --git a/src/test/ui/for-loop-while/label_break_value.rs b/src/test/ui/for-loop-while/label_break_value.rs deleted file mode 100644 index 10992c50597..00000000000 --- a/src/test/ui/for-loop-while/label_break_value.rs +++ /dev/null @@ -1,166 +0,0 @@ -// run-pass -#![allow(dead_code)] -#![allow(unused_assignments)] - -// Test control flow to follow label_break_value semantics -fn label_break(a: bool, b: bool) -> u32 { - let mut v = 0; - 'b: { - v = 1; - if a { - break 'b; - } - v = 2; - if b { - break 'b; - } - v = 3; - } - return v; -} - -// Test that values can be returned -fn break_value(a: bool, b: bool) -> u32 { - let result = 'block: { - if a { break 'block 1; } - if b { break 'block 2; } - 3 - }; - result -} - -// Test nesting of labeled blocks -// here we only check that it compiles -fn label_break_nested() { - 'b: { - println!("hi"); - if false { - break 'b; - } - 'c: { - if false { - break 'b; - } - break 'c; - } - println!("hello"); - if true { - break 'b; - } - } -} - -// Tests for mixing labeled blocks with loop constructs -// This function should be the identity function -fn label_break_mixed(v: u32) -> u32 { - let mut r = 0; - 'b: { - // Unlabeled break still works - // (only crossing boundaries is an error) - loop { - break; - } - if v == 0 { - break 'b; - } - // Labeled breaking an inner loop still works - 'c: loop { - if r == 1 { - break 'c; - } - r += 1; - } - assert_eq!(r, 1); - if v == 1 { - break 'b; - } - // Labeled breaking an outer loop still works - 'd: loop { - { - if v == r { - break 'b; - } - if r == 5 { - break 'd; - } - r += 1; - } - } - assert_eq!(r, 5); - assert!(v > r); - // Here we test return from inside a labeled block - return v; - } - r -} - -fn label_break_match(c: u8, xe: u8, ye: i8) { - let mut x = 0; - let y = 'a: { - match c { - 0 => break 'a 0, - v if { if v % 2 == 0 { break 'a 1; }; v % 3 == 0 } => { x += 1; }, - v if { 'b: { break 'b v == 5; } } => { x = 41; }, - _ => 'b: { - break 'b (); - }, - } - x += 1; - -1 - }; - - assert_eq!(x, xe); - assert_eq!(y, ye); -} - -#[allow(unused_labels)] -fn label_break_macro() { - macro_rules! mac1 { - ($target:lifetime, $val:expr) => { - break $target $val; - }; - } - let x: u8 = 'a: { - 'b: { - mac1!('b, 1); - }; - 0 - }; - assert_eq!(x, 0); - let x: u8 = 'a: { - 'b: { - if true { - mac1!('a, 1); - } - }; - 0 - }; - assert_eq!(x, 1); -} - -pub fn main() { - assert_eq!(label_break(true, false), 1); - assert_eq!(label_break(false, true), 2); - assert_eq!(label_break(false, false), 3); - - assert_eq!(break_value(true, false), 1); - assert_eq!(break_value(false, true), 2); - assert_eq!(break_value(false, false), 3); - - assert_eq!(label_break_mixed(0), 0); - assert_eq!(label_break_mixed(1), 1); - assert_eq!(label_break_mixed(2), 2); - assert_eq!(label_break_mixed(3), 3); - assert_eq!(label_break_mixed(4), 4); - assert_eq!(label_break_mixed(5), 5); - assert_eq!(label_break_mixed(6), 6); - - label_break_match(0, 0, 0); - label_break_match(1, 1, -1); - label_break_match(2, 0, 1); - label_break_match(3, 2, -1); - label_break_match(5, 42, -1); - label_break_match(7, 1, -1); - - label_break_macro(); -} diff --git a/src/test/ui/for-loop-while/label_break_value_invalid.rs b/src/test/ui/for-loop-while/label_break_value_invalid.rs deleted file mode 100644 index fcf2e0f294e..00000000000 --- a/src/test/ui/for-loop-while/label_break_value_invalid.rs +++ /dev/null @@ -1,35 +0,0 @@ -#![crate_type = "lib"] - -fn lbv_macro_test_hygiene_respected() { - macro_rules! mac2 { - ($val:expr) => { - break 'a $val; //~ ERROR undeclared label `'a` [E0426] - }; - } - let x: u8 = 'a: { - 'b: { - if true { - mac2!(2); - } - }; - 0 - }; - assert_eq!(x, 2); - - macro_rules! mac3 { - ($val:expr) => { - 'a: { - $val - } - }; - } - let x: u8 = mac3!('b: { - if true { - break 'a 3; //~ ERROR undeclared label `'a` [E0426] - } - 0 - }); - assert_eq!(x, 3); - let x: u8 = mac3!(break 'a 4); //~ ERROR undeclared label `'a` [E0426] - assert_eq!(x, 4); -} diff --git a/src/test/ui/for-loop-while/label_break_value_invalid.stderr b/src/test/ui/for-loop-while/label_break_value_invalid.stderr deleted file mode 100644 index f6999c4ab11..00000000000 --- a/src/test/ui/for-loop-while/label_break_value_invalid.stderr +++ /dev/null @@ -1,32 +0,0 @@ -error[E0426]: use of undeclared label `'a` - --> $DIR/label_break_value_invalid.rs:6:19 - | -LL | break 'a $val; - | ^^ undeclared label `'a` -... -LL | mac2!(2); - | -------- in this macro invocation - | - = note: this error originates in the macro `mac2` (in Nightly builds, run with -Z macro-backtrace for more info) - -error[E0426]: use of undeclared label `'a` - --> $DIR/label_break_value_invalid.rs:28:19 - | -LL | let x: u8 = mac3!('b: { - | -- a label with a similar name is reachable -LL | if true { -LL | break 'a 3; - | ^^ - | | - | undeclared label `'a` - | help: try using similarly named label: `'b` - -error[E0426]: use of undeclared label `'a` - --> $DIR/label_break_value_invalid.rs:33:29 - | -LL | let x: u8 = mac3!(break 'a 4); - | ^^ undeclared label `'a` - -error: aborting due to 3 previous errors - -For more information about this error, try `rustc --explain E0426`. diff --git a/src/test/ui/for-loop-while/labeled-break.rs b/src/test/ui/for-loop-while/labeled-break.rs deleted file mode 100644 index 4dacc57574f..00000000000 --- a/src/test/ui/for-loop-while/labeled-break.rs +++ /dev/null @@ -1,22 +0,0 @@ -// run-pass -// pretty-expanded FIXME #23616 - -pub fn main() { - 'foo: loop { - loop { - break 'foo; - } - } - - 'bar: for _ in 0..100 { - loop { - break 'bar; - } - } - - 'foobar: while 1 + 1 == 2 { - loop { - break 'foobar; - } - } -} diff --git a/src/test/ui/for-loop-while/linear-for-loop.rs b/src/test/ui/for-loop-while/linear-for-loop.rs deleted file mode 100644 index 3c573db1d77..00000000000 --- a/src/test/ui/for-loop-while/linear-for-loop.rs +++ /dev/null @@ -1,23 +0,0 @@ -// run-pass -pub fn main() { - let x = vec![1, 2, 3]; - let mut y = 0; - for i in &x { println!("{}", *i); y += *i; } - println!("{}", y); - assert_eq!(y, 6); - let s = "hello there".to_string(); - let mut i: isize = 0; - for c in s.bytes() { - if i == 0 { assert_eq!(c, 'h' as u8); } - if i == 1 { assert_eq!(c, 'e' as u8); } - if i == 2 { assert_eq!(c, 'l' as u8); } - if i == 3 { assert_eq!(c, 'l' as u8); } - if i == 4 { assert_eq!(c, 'o' as u8); } - // ... - - i += 1; - println!("{}", i); - println!("{}", c); - } - assert_eq!(i, 11); -} diff --git a/src/test/ui/for-loop-while/liveness-assign-imm-local-after-loop.rs b/src/test/ui/for-loop-while/liveness-assign-imm-local-after-loop.rs deleted file mode 100644 index 11b6971656f..00000000000 --- a/src/test/ui/for-loop-while/liveness-assign-imm-local-after-loop.rs +++ /dev/null @@ -1,18 +0,0 @@ -// run-pass -#![allow(dead_code)] -#![allow(unused_assignments)] -// pretty-expanded FIXME #23616 - -#![allow(unreachable_code)] -#![allow(unused_variables)] - -fn test(_cond: bool) { - let v: isize; - v = 1; - loop { } // loop never terminates, so no error is reported - v = 2; -} - -pub fn main() { - // note: don't call test()... :) -} diff --git a/src/test/ui/for-loop-while/liveness-loop-break.rs b/src/test/ui/for-loop-while/liveness-loop-break.rs deleted file mode 100644 index 60a63bccb10..00000000000 --- a/src/test/ui/for-loop-while/liveness-loop-break.rs +++ /dev/null @@ -1,13 +0,0 @@ -// run-pass -fn test() { - let v; - loop { - v = 3; - break; - } - println!("{}", v); -} - -pub fn main() { - test(); -} diff --git a/src/test/ui/for-loop-while/liveness-move-in-loop.rs b/src/test/ui/for-loop-while/liveness-move-in-loop.rs deleted file mode 100644 index ce73d6335cb..00000000000 --- a/src/test/ui/for-loop-while/liveness-move-in-loop.rs +++ /dev/null @@ -1,20 +0,0 @@ -// run-pass -#![allow(dead_code)] - -// pretty-expanded FIXME #23616 - -fn take(x: isize) -> isize {x} - -fn the_loop() { - let mut list = Vec::new(); - loop { - let x = 5; - if x > 3 { - list.push(take(x)); - } else { - break; - } - } -} - -pub fn main() {} diff --git a/src/test/ui/for-loop-while/long-while.rs b/src/test/ui/for-loop-while/long-while.rs deleted file mode 100644 index 529cca7b731..00000000000 --- a/src/test/ui/for-loop-while/long-while.rs +++ /dev/null @@ -1,12 +0,0 @@ -// run-pass -// pretty-expanded FIXME #23616 - -#![allow(unused_variables)] - -pub fn main() { - let mut i: isize = 0; - while i < 1000000 { - i += 1; - let x = 3; - } -} diff --git a/src/test/ui/for-loop-while/loop-break-cont-1.rs b/src/test/ui/for-loop-while/loop-break-cont-1.rs deleted file mode 100644 index f207746f085..00000000000 --- a/src/test/ui/for-loop-while/loop-break-cont-1.rs +++ /dev/null @@ -1,9 +0,0 @@ -// run-pass - -pub fn main() { - let _i = 0_usize; - loop { - break; - } - assert!(true); -} diff --git a/src/test/ui/for-loop-while/loop-break-cont.rs b/src/test/ui/for-loop-while/loop-break-cont.rs deleted file mode 100644 index 92d5a32c62b..00000000000 --- a/src/test/ui/for-loop-while/loop-break-cont.rs +++ /dev/null @@ -1,39 +0,0 @@ -// run-pass -pub fn main() { - let mut i = 0_usize; - loop { - println!("a"); - i += 1_usize; - if i == 10_usize { - break; - } - } - assert_eq!(i, 10_usize); - let mut is_even = false; - loop { - if i == 21_usize { - break; - } - println!("b"); - is_even = false; - i += 1_usize; - if i % 2_usize != 0_usize { - continue; - } - is_even = true; - } - assert!(!is_even); - loop { - println!("c"); - if i == 22_usize { - break; - } - is_even = false; - i += 1_usize; - if i % 2_usize != 0_usize { - continue; - } - is_even = true; - } - assert!(is_even); -} diff --git a/src/test/ui/for-loop-while/loop-break-value.rs b/src/test/ui/for-loop-while/loop-break-value.rs deleted file mode 100644 index d7209fc4de8..00000000000 --- a/src/test/ui/for-loop-while/loop-break-value.rs +++ /dev/null @@ -1,139 +0,0 @@ -// run-pass - -#![allow(unreachable_code)] -#![feature(never_type)] - -#[allow(unused)] -fn never_returns() { - loop { - break loop {}; - } -} - -pub fn main() { - let value = 'outer: loop { - if 1 == 1 { - break 13; - } else { - let _never: ! = loop { - break loop { - break 'outer panic!(); - } - }; - } - }; - assert_eq!(value, 13); - - let x = [1, 3u32, 5]; - let y = [17]; - let z = []; - let coerced: &[_] = loop { - match 2 { - 1 => break &x, - 2 => break &y, - 3 => break &z, - _ => (), - } - }; - assert_eq!(coerced, &[17u32]); - - let trait_unified = loop { - break if true { - break Default::default() - } else { - break [13, 14] - }; - }; - assert_eq!(trait_unified, [0, 0]); - - let trait_unified_2 = loop { - if false { - break [String::from("Hello")] - } else { - break Default::default() - }; - }; - assert_eq!(trait_unified_2, [""]); - - let trait_unified_3 = loop { - break if false { - break [String::from("Hello")] - } else { - ["Yes".into()] - }; - }; - assert_eq!(trait_unified_3, ["Yes"]); - - let regular_break = loop { - if true { - break; - } else { - break break Default::default(); - } - }; - assert_eq!(regular_break, ()); - - let regular_break_2 = loop { - if true { - break Default::default(); - } else { - break; - } - }; - assert_eq!(regular_break_2, ()); - - let regular_break_3 = loop { - break if true { - Default::default() - } else { - break; - } - }; - assert_eq!(regular_break_3, ()); - - let regular_break_4 = loop { - break (); - break; - }; - assert_eq!(regular_break_4, ()); - - let regular_break_5 = loop { - break; - break (); - }; - assert_eq!(regular_break_5, ()); - - let nested_break_value = 'outer2: loop { - let _a: u32 = 'inner: loop { - if true { - break 'outer2 "hello"; - } else { - break 'inner 17; - } - }; - panic!(); - }; - assert_eq!(nested_break_value, "hello"); - - let break_from_while_cond = loop { - 'inner_loop: while break 'inner_loop { - panic!(); - } - break 123; - }; - assert_eq!(break_from_while_cond, 123); - - let break_from_while_to_outer = 'outer_loop: loop { - while break 'outer_loop 567 { - panic!("from_inner"); - } - panic!("from outer"); - }; - assert_eq!(break_from_while_to_outer, 567); - - let rust = true; - let value = loop { - break rust; - }; - assert!(value); -} diff --git a/src/test/ui/for-loop-while/loop-diverges.rs b/src/test/ui/for-loop-while/loop-diverges.rs deleted file mode 100644 index f657bf9e0b3..00000000000 --- a/src/test/ui/for-loop-while/loop-diverges.rs +++ /dev/null @@ -1,14 +0,0 @@ -// run-pass -#![allow(unused_parens)] -// pretty-expanded FIXME #23616 - -/* Make sure a loop{} can be the tailexpr in the body -of a diverging function */ - -fn forever() -> ! { - loop{} -} - -pub fn main() { - if (1 == 2) { forever(); } -} diff --git a/src/test/ui/for-loop-while/loop-label-shadowing.rs b/src/test/ui/for-loop-while/loop-label-shadowing.rs deleted file mode 100644 index 9bedde67b78..00000000000 --- a/src/test/ui/for-loop-while/loop-label-shadowing.rs +++ /dev/null @@ -1,12 +0,0 @@ -// run-pass -// Issue #12512. - -// pretty-expanded FIXME #23616 - -fn main() { - let mut foo = Vec::new(); - #[allow(unused_labels)] - 'foo: for i in &[1, 2, 3] { - foo.push(*i); - } -} diff --git a/src/test/ui/for-loop-while/loop-labeled-break-value.rs b/src/test/ui/for-loop-while/loop-labeled-break-value.rs deleted file mode 100644 index cc8f826983b..00000000000 --- a/src/test/ui/for-loop-while/loop-labeled-break-value.rs +++ /dev/null @@ -1,11 +0,0 @@ -// run-pass -// pretty-expanded FIXME #23616 - -fn main() { - 'outer: loop { - let _: i32 = loop { break 'outer }; - } - 'outer2: loop { - let _: i32 = loop { loop { break 'outer2 } }; - } -} diff --git a/src/test/ui/for-loop-while/loop-no-reinit-needed-post-bot.rs b/src/test/ui/for-loop-while/loop-no-reinit-needed-post-bot.rs deleted file mode 100644 index 1b5db20129d..00000000000 --- a/src/test/ui/for-loop-while/loop-no-reinit-needed-post-bot.rs +++ /dev/null @@ -1,34 +0,0 @@ -// run-pass -// pretty-expanded FIXME #23616 - -struct S; -// Ensure S is moved, not copied, on assignment. -impl Drop for S { fn drop(&mut self) { } } - -// user-defined function "returning" bottom (i.e., no return at all). -fn my_panic() -> ! { loop {} } - -pub fn step(f: bool) { - let mut g = S; - let mut i = 0; - loop - { - if i > 10 { break; } else { i += 1; } - - let _g = g; - - if f { - // re-initialize g, but only before restarting loop. - g = S; - continue; - } - - my_panic(); - - // we never get here, so we do not need to re-initialize g. - } -} - -pub fn main() { - step(true); -} diff --git a/src/test/ui/for-loop-while/loop-scope.rs b/src/test/ui/for-loop-while/loop-scope.rs deleted file mode 100644 index 73324a3e1bd..00000000000 --- a/src/test/ui/for-loop-while/loop-scope.rs +++ /dev/null @@ -1,8 +0,0 @@ -// run-pass - -pub fn main() { - let x = vec![10, 20, 30]; - let mut sum = 0; - for x in &x { sum += *x; } - assert_eq!(sum, 60); -} diff --git a/src/test/ui/for-loop-while/while-cont.rs b/src/test/ui/for-loop-while/while-cont.rs deleted file mode 100644 index a864e8ef70a..00000000000 --- a/src/test/ui/for-loop-while/while-cont.rs +++ /dev/null @@ -1,11 +0,0 @@ -// run-pass -// Issue #825: Should recheck the loop condition after continuing -pub fn main() { - let mut i = 1; - while i > 0 { - assert!((i > 0)); - println!("{}", i); - i -= 1; - continue; - } -} diff --git a/src/test/ui/for-loop-while/while-flow-graph.rs b/src/test/ui/for-loop-while/while-flow-graph.rs deleted file mode 100644 index 1748964a7b2..00000000000 --- a/src/test/ui/for-loop-while/while-flow-graph.rs +++ /dev/null @@ -1,6 +0,0 @@ -// run-pass - - -// pretty-expanded FIXME #23616 - -pub fn main() { let x: isize = 10; while x == 10 && x == 11 { let _y = 0xf00_usize; } } diff --git a/src/test/ui/for-loop-while/while-label.rs b/src/test/ui/for-loop-while/while-label.rs deleted file mode 100644 index 5abc41daf94..00000000000 --- a/src/test/ui/for-loop-while/while-label.rs +++ /dev/null @@ -1,15 +0,0 @@ -// run-pass -#![allow(unreachable_code)] - - -pub fn main() { - let mut i = 100; - 'w: while 1 + 1 == 2 { - i -= 1; - if i == 95 { - break 'w; - panic!("Should have broken out of loop"); - } - } - assert_eq!(i, 95); -} diff --git a/src/test/ui/for-loop-while/while-let-2.rs b/src/test/ui/for-loop-while/while-let-2.rs deleted file mode 100644 index b9a49b47c8f..00000000000 --- a/src/test/ui/for-loop-while/while-let-2.rs +++ /dev/null @@ -1,31 +0,0 @@ -// run-pass - -#[allow(dead_code)] -fn macros() { - macro_rules! foo{ - ($p:pat, $e:expr, $b:block) => {{ - while let $p = $e $b - //~^ WARN irrefutable `while let` - //~| WARN irrefutable `while let` - }} - } - macro_rules! bar{ - ($p:pat, $e:expr, $b:block) => {{ - foo!($p, $e, $b) - }} - } - - foo!(_a, 1, { - println!("irrefutable pattern"); - }); - bar!(_a, 1, { - println!("irrefutable pattern"); - }); -} - -pub fn main() { - while let _a = 1 { //~ WARN irrefutable `while let` - println!("irrefutable pattern"); - break; - } -} diff --git a/src/test/ui/for-loop-while/while-let-2.stderr b/src/test/ui/for-loop-while/while-let-2.stderr deleted file mode 100644 index 1b1cf679243..00000000000 --- a/src/test/ui/for-loop-while/while-let-2.stderr +++ /dev/null @@ -1,42 +0,0 @@ -warning: irrefutable `while let` pattern - --> $DIR/while-let-2.rs:7:19 - | -LL | while let $p = $e $b - | ^^^ -... -LL | / foo!(_a, 1, { -LL | | println!("irrefutable pattern"); -LL | | }); - | |______- in this macro invocation - | - = note: this pattern will always match, so the loop will never exit - = help: consider instead using a `loop { ... }` with a `let` inside it - = note: `#[warn(irrefutable_let_patterns)]` on by default - = note: this warning originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info) - -warning: irrefutable `while let` pattern - --> $DIR/while-let-2.rs:7:19 - | -LL | while let $p = $e $b - | ^^^ -... -LL | / bar!(_a, 1, { -LL | | println!("irrefutable pattern"); -LL | | }); - | |______- in this macro invocation - | - = note: this pattern will always match, so the loop will never exit - = help: consider instead using a `loop { ... }` with a `let` inside it - = note: this warning originates in the macro `foo` which comes from the expansion of the macro `bar` (in Nightly builds, run with -Z macro-backtrace for more info) - -warning: irrefutable `while let` pattern - --> $DIR/while-let-2.rs:27:11 - | -LL | while let _a = 1 { - | ^^^^^^^^^^ - | - = note: this pattern will always match, so the loop will never exit - = help: consider instead using a `loop { ... }` with a `let` inside it - -warning: 3 warnings emitted - diff --git a/src/test/ui/for-loop-while/while-let.rs b/src/test/ui/for-loop-while/while-let.rs deleted file mode 100644 index b9d70ff0b9d..00000000000 --- a/src/test/ui/for-loop-while/while-let.rs +++ /dev/null @@ -1,46 +0,0 @@ -// run-pass - -use std::collections::BinaryHeap; - -fn make_pq() -> BinaryHeap<isize> { - BinaryHeap::from(vec![1,2,3]) -} - -pub fn main() { - let mut pq = make_pq(); - let mut sum = 0; - while let Some(x) = pq.pop() { - sum += x; - } - assert_eq!(sum, 6); - - pq = make_pq(); - sum = 0; - 'a: while let Some(x) = pq.pop() { - sum += x; - if x == 2 { - break 'a; - } - } - assert_eq!(sum, 5); - - pq = make_pq(); - sum = 0; - 'a2: while let Some(x) = pq.pop() { - if x == 3 { - continue 'a2; - } - sum += x; - } - assert_eq!(sum, 3); - - let mut pq1 = make_pq(); - sum = 0; - while let Some(x) = pq1.pop() { - let mut pq2 = make_pq(); - while let Some(y) = pq2.pop() { - sum += x * y; - } - } - assert_eq!(sum, 6 + 12 + 18); -} diff --git a/src/test/ui/for-loop-while/while-loop-constraints-2.rs b/src/test/ui/for-loop-while/while-loop-constraints-2.rs deleted file mode 100644 index 3c5cdf06cd8..00000000000 --- a/src/test/ui/for-loop-while/while-loop-constraints-2.rs +++ /dev/null @@ -1,15 +0,0 @@ -// run-pass -#![allow(unused_assignments)] -#![allow(unused_variables)] - -pub fn main() { - let mut y: isize = 42; - let mut z: isize = 42; - let mut x: isize; - while z < 50 { - z += 1; - while false { x = y; y = z; } - println!("{}", y); - } - assert!((y == 42 && z == 50)); -} diff --git a/src/test/ui/for-loop-while/while-prelude-drop.rs b/src/test/ui/for-loop-while/while-prelude-drop.rs deleted file mode 100644 index 196b9daf6ec..00000000000 --- a/src/test/ui/for-loop-while/while-prelude-drop.rs +++ /dev/null @@ -1,24 +0,0 @@ -// run-pass -#![allow(non_camel_case_types)] - -use std::string::String; - -#[derive(PartialEq)] -enum t { a, b(String), } - -fn make(i: isize) -> t { - if i > 10 { return t::a; } - let mut s = String::from("hello"); - // Ensure s is non-const. - - s.push_str("there"); - return t::b(s); -} - -pub fn main() { - let mut i = 0; - - - // The auto slot for the result of make(i) should not leak. - while make(i) != t::a { i += 1; } -} diff --git a/src/test/ui/for-loop-while/while-with-break.rs b/src/test/ui/for-loop-while/while-with-break.rs deleted file mode 100644 index a9d52dda544..00000000000 --- a/src/test/ui/for-loop-while/while-with-break.rs +++ /dev/null @@ -1,17 +0,0 @@ -// run-pass - -pub fn main() { - let mut i: isize = 90; - while i < 100 { - println!("{}", i); - i = i + 1; - if i == 95 { - let _v: Vec<isize> = - vec![1, 2, 3, 4, 5]; // we check that it is freed by break - - println!("breaking"); - break; - } - } - assert_eq!(i, 95); -} diff --git a/src/test/ui/for-loop-while/while.rs b/src/test/ui/for-loop-while/while.rs deleted file mode 100644 index 90f718a3483..00000000000 --- a/src/test/ui/for-loop-while/while.rs +++ /dev/null @@ -1,13 +0,0 @@ -// run-pass - - -pub fn main() { - let mut x: isize = 10; - let mut y: isize = 0; - while y < x { println!("{}", y); println!("hello"); y = y + 1; } - while x > 0 { - println!("goodbye"); - x = x - 1; - println!("{}", x); - } -} |