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//@ check-pass
// Make sure unused parens lint doesn't emit a false positive.
// See https://github.com/rust-lang/rust/issues/88519
#![deny(unused_parens)]
#![feature(type_ascription)]
// binary ops are tested in issue-71290-unused-paren-binop.rs
mod call {
fn noop() -> u8 { 0 }
fn outside() -> u8 {
({ noop })()
}
fn inside() -> u8 {
({ noop }())
}
fn outside_match() -> u8 {
(match noop { x => x })()
}
fn inside_match() -> u8 {
(match noop { x => x }())
}
fn outside_if() -> u8 {
(if false { noop } else { noop })()
}
fn inside_if() -> u8 {
(if false { noop } else { noop }())
}
}
mod casts {
fn outside() -> u8 {
({ 0 }) as u8
}
fn inside() -> u8 {
({ 0 } as u8)
}
fn outside_match() -> u8 {
(match 0 { x => x }) as u8
}
fn inside_match() -> u8 {
(match 0 { x => x } as u8)
}
fn outside_if() -> u8 {
(if false { 0 } else { 0 }) as u8
}
fn inside_if() -> u8 {
(if false { 0 } else { 0 } as u8)
}
}
mod typeascription {
fn outside() -> u8 {
type_ascribe!(({ 0 }), u8)
}
fn outside_match() -> u8 {
type_ascribe!((match 0 { x => x }), u8)
}
fn outside_if() -> u8 {
type_ascribe!((if false { 0 } else { 0 }), u8)
}
}
mod index {
fn outside(x: &[u8]) -> u8 {
({ x })[0]
}
fn inside(x: &[u8]) -> u8 {
({ x }[0])
}
fn outside_match(x: &[u8]) -> u8 {
(match x { x => x })[0]
}
fn inside_match(x: &[u8]) -> u8 {
(match x { x => x }[0])
}
fn outside_if(x: &[u8]) -> u8 {
(if false { x } else { x })[0]
}
fn inside_if(x: &[u8]) -> u8 {
(if false { x } else { x }[0])
}
}
fn main() {}
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