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Diffstat (limited to 'tests/ui/lint/unused_braces.fixed')
-rw-r--r-- | tests/ui/lint/unused_braces.fixed | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/tests/ui/lint/unused_braces.fixed b/tests/ui/lint/unused_braces.fixed new file mode 100644 index 000000000..e691fb37e --- /dev/null +++ b/tests/ui/lint/unused_braces.fixed @@ -0,0 +1,57 @@ +// check-pass +// run-rustfix + +#![warn(unused_braces, unused_parens)] +#![allow(unreachable_code, unused_unsafe)] // for rustfix + +fn consume<T>(_: T) {} + +fn main() { + let _ = 7; + //~^WARN unnecessary parentheses + + // Do not emit a lint in these cases, + // as we have to be careful with + // `ref` patterns. + { + let _ = { 7 }; + + if let 7 = { 7 } { } + + match { 7 } { + _ => (), + } + } + + if true { + //~^ WARN unnecessary braces + } + + while false { + //~^ WARN unnecessary braces + } + + let _: [u8; 3]; + //~^ WARN unnecessary braces + + consume(7); + //~^ WARN unnecessary braces + + // Do not emit lint for multiline blocks. + let _ = { + 7 + }; + + // Do not emit lint for unsafe blocks. + let _ = unsafe { 7 }; + + // Do not emit lint, as the `{` would then + // be parsed as part of the `return`. + if { return } { + + } + + // regression test for https://github.com/rust-lang/rust/issues/106899 + return println!("!"); + //~^ WARN unnecessary braces +} |