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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/pattern/usefulness/deny-irrefutable-let-patterns.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/ui/pattern/usefulness/deny-irrefutable-let-patterns.rs b/src/test/ui/pattern/usefulness/deny-irrefutable-let-patterns.rs new file mode 100644 index 000000000..c85af7f3b --- /dev/null +++ b/src/test/ui/pattern/usefulness/deny-irrefutable-let-patterns.rs @@ -0,0 +1,16 @@ +#![feature(if_let_guard)] + +#![deny(irrefutable_let_patterns)] + +fn main() { + if let _ = 5 {} //~ ERROR irrefutable `if let` pattern + + while let _ = 5 { //~ ERROR irrefutable `while let` pattern + break; + } + + match 5 { + _ if let _ = 2 => {} //~ ERROR irrefutable `if let` guard pattern + _ => {} + } +} |