diff options
Diffstat (limited to 'tests/ui/while_let_loop.rs')
| -rw-r--r-- | tests/ui/while_let_loop.rs | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/tests/ui/while_let_loop.rs b/tests/ui/while_let_loop.rs index d591ab984cf..95062c9f46c 100644 --- a/tests/ui/while_let_loop.rs +++ b/tests/ui/while_let_loop.rs @@ -154,3 +154,89 @@ fn issue_5715(mut m: core::cell::RefCell<Option<u32>>) { m = core::cell::RefCell::new(Some(x + 1)); } } + +mod issue_362 { + pub fn merge_sorted<T>(xs: Vec<T>, ys: Vec<T>) -> Vec<T> + where + T: PartialOrd, + { + let total_len = xs.len() + ys.len(); + let mut res = Vec::with_capacity(total_len); + let mut ix = xs.into_iter().peekable(); + let mut iy = ys.into_iter().peekable(); + loop { + //~^ while_let_loop + let lt = match (ix.peek(), iy.peek()) { + (Some(x), Some(y)) => x < y, + _ => break, + }; + res.push(if lt { &mut ix } else { &mut iy }.next().unwrap()); + } + res.extend(ix); + res.extend(iy); + res + } +} + +fn let_assign() { + loop { + //~^ while_let_loop + let x = if let Some(y) = Some(3) { + y + } else { + break; + }; + if x == 3 { + break; + } + } + + loop { + //~^ while_let_loop + let x: u32 = if let Some(y) = Some(3) { + y + } else { + break; + }; + if x == 3 { + break; + } + } + + loop { + //~^ while_let_loop + let x = if let Some(x) = Some(3) { + x + } else { + break; + }; + if x == 3 { + break; + } + } + + loop { + //~^ while_let_loop + let x: u32 = if let Some(x) = Some(3) { + x + } else { + break; + }; + if x == 3 { + break; + } + } + + loop { + //~^ while_let_loop + let x = if let Some(x) = Some(2) { + let t = 1; + t + x + } else { + break; + }; + if x == 3 { + break; + } + } +} |
