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| author | Matthew Jasper <mjjasper1@gmail.com> | 2018-06-30 11:02:38 +0100 |
|---|---|---|
| committer | Matthew Jasper <mjjasper1@gmail.com> | 2018-06-30 11:02:38 +0100 |
| commit | c613aa5a95a83ec77b4b0af1e74019cb8aca75b4 (patch) | |
| tree | 5d885f5d679f7b02df019b96c49a769ff6da24df /src/test | |
| parent | 5fdcd3aa389aa92879f576c55e429015667143c3 (diff) | |
| download | rust-c613aa5a95a83ec77b4b0af1e74019cb8aca75b4.tar.gz rust-c613aa5a95a83ec77b4b0af1e74019cb8aca75b4.zip | |
Improve error messages when assigning to a local that starts initialized
Diffstat (limited to 'src/test')
| -rw-r--r-- | src/test/compile-fail/immut-function-arguments.rs | 4 | ||||
| -rw-r--r-- | src/test/ui/command-line-diagnostics.nll.stderr | 3 | ||||
| -rw-r--r-- | src/test/ui/did_you_mean/issue-35937.nll.stderr | 14 |
3 files changed, 10 insertions, 11 deletions
diff --git a/src/test/compile-fail/immut-function-arguments.rs b/src/test/compile-fail/immut-function-arguments.rs index b32056fcb91..61a074952ef 100644 --- a/src/test/compile-fail/immut-function-arguments.rs +++ b/src/test/compile-fail/immut-function-arguments.rs @@ -13,12 +13,12 @@ fn f(y: Box<isize>) { *y = 5; //[ast]~ ERROR cannot assign - //[mir]~^ ERROR cannot assign twice + //[mir]~^ ERROR cannot assign } fn g() { let _frob = |q: Box<isize>| { *q = 2; }; //[ast]~ ERROR cannot assign - //[mir]~^ ERROR cannot assign twice + //[mir]~^ ERROR cannot assign } fn main() {} diff --git a/src/test/ui/command-line-diagnostics.nll.stderr b/src/test/ui/command-line-diagnostics.nll.stderr index 10dcf7d0e65..46bb7c5af57 100644 --- a/src/test/ui/command-line-diagnostics.nll.stderr +++ b/src/test/ui/command-line-diagnostics.nll.stderr @@ -2,8 +2,9 @@ error[E0384]: cannot assign twice to immutable variable `x` --> $DIR/command-line-diagnostics.rs:16:5 | LL | let x = 42; - | - -- first assignment to `x` + | - | | + | first assignment to `x` | consider changing this to `mut x` LL | x = 43; | ^^^^^^ cannot assign twice to immutable variable diff --git a/src/test/ui/did_you_mean/issue-35937.nll.stderr b/src/test/ui/did_you_mean/issue-35937.nll.stderr index 0c1dcb29d4d..7eaa4c7d5fe 100644 --- a/src/test/ui/did_you_mean/issue-35937.nll.stderr +++ b/src/test/ui/did_you_mean/issue-35937.nll.stderr @@ -6,26 +6,24 @@ LL | let f = Foo { v: Vec::new() }; LL | f.v.push("cat".to_string()); //~ ERROR cannot borrow | ^^^ cannot borrow as mutable -error[E0384]: cannot assign twice to immutable variable `s.x` +error[E0384]: cannot assign twice to immutable variable `s` --> $DIR/issue-35937.rs:26:5 | LL | let s = S { x: 42 }; - | - ----------- first assignment to `s.x` + | - | | + | first assignment to `s` | consider changing this to `mut s` LL | s.x += 1; //~ ERROR cannot assign | ^^^^^^^^ cannot assign twice to immutable variable -error[E0384]: cannot assign twice to immutable variable `s.x` +error[E0384]: cannot assign to immutable argument `s` --> $DIR/issue-35937.rs:30:5 | LL | fn bar(s: S) { - | - - | | - | first assignment to `s.x` - | consider changing this to `mut s` + | - consider changing this to `mut s` LL | s.x += 1; //~ ERROR cannot assign - | ^^^^^^^^ cannot assign twice to immutable variable + | ^^^^^^^^ cannot assign to immutable argument error: aborting due to 3 previous errors |