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Commit adddae6

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stop returning errors when format foreign has trailing dollar
1 parent f5703d5 commit adddae6

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3 files changed

+21
-1
lines changed

3 files changed

+21
-1
lines changed

‎compiler/rustc_builtin_macros/src/format_foreign.rs‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -416,7 +416,7 @@ pub(crate) mod printf {
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// Yes, this *is* the parameter.
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Some(('$', end2)) => {
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state = Flags;
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parameter = Some(at.slice_between(end).unwrap().parse().unwrap());
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parameter = at.slice_between(end).unwrap().parse().ok();
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move_to!(end2);
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}
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// Wait, no, actually, it's the width.
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,4 @@
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fn main() {
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println!("%65536$", 1);
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//~^ ERROR never used
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}
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@@ -0,0 +1,16 @@
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error: argument never used
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--> $DIR/format-foreign-dollar-without-spec.rs:2:25
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|
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LL | println!("%65536$", 1);
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| ^ argument never used
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|
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note: format specifiers use curly braces, and the conversion specifier `
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` is unknown or unsupported
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--> $DIR/format-foreign-dollar-without-spec.rs:2:15
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|
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LL | println!("%65536$", 1);
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| ^^^^^^^^
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= note: printf formatting is not supported; see the documentation for `std::fmt`
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error: aborting due to 1 previous error
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