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Add test of parenthesizing break value by AST pretty-printer

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David Tolnay 2024-06-23 14:14:00 -07:00
parent bcf94dec5b
commit 5f37433b6c
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2 changed files with 33 additions and 0 deletions
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20
tests/ui/unpretty/expanded-interpolation.rs
View File

@ -18,6 +18,26 @@ macro_rules! stmt {
($stmt:stmt) => { $stmt };
}
fn break_labeled_loop() {
let no_paren = 'outer: loop {
break 'outer expr!('inner: loop { break 'inner 1; } + 1);
};
let paren_around_break_value = 'outer: loop {
break expr!('inner: loop { break 'inner 1; } + 1);
};
macro_rules! breaking {
($value:expr) => {
break $value
};
}
let paren_around_break_value = loop {
breaking!('inner: loop { break 'inner 1; } + 1);
};
}
fn if_let() {
macro_rules! if_let {
($pat:pat, $expr:expr) => {

13
tests/ui/unpretty/expanded-interpolation.stdout
View File

@ -20,6 +20,19 @@ macro_rules! expr { ($expr:expr) => { $expr }; }
macro_rules! stmt { ($stmt:stmt) => { $stmt }; }
fn break_labeled_loop() {
let no_paren =
'outer: loop { break 'outer 'inner: loop { break 'inner 1; } + 1; };
let paren_around_break_value =
'outer: loop { break 'inner: loop { break 'inner 1; } + 1; };
macro_rules! breaking { ($value:expr) => { break $value }; }
let paren_around_break_value =
loop { break 'inner: loop { break 'inner 1; } + 1; };
}
fn if_let() {
macro_rules! if_let {
($pat:pat, $expr:expr) => { if let $pat = $expr {} };