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Rollup merge of #86136 - m-ou-se:proc-macro-open-close-span, r=m-ou-se

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Stabilize span_open() and span_close().

This proposes to stabilize `Group::span_open()` and `Group::span_close()`.

These are part of the `proc_macro_span` feature gate tracked in https://github.com/rust-lang/rust/issues/54725

Most of the features gated behind `proc_macro_span` are about source location information (file path, line and column information), expansion information (parent()), source_text(), etc. Those are not ready for stabilizaiton. However, getting the span of the `(` and `)` separately instead of only of the entire `(...)` can be very useful in proc macros, and doesn't seem blocked on anything that all the other parts of `proc_macro_span` are blocked on. So, this renames the feature gate for those two functions to `proc_macro_group_span` and stabilizes them.
This commit is contained in:
Yuki Okushi 2021-06-19 10:14:07 +09:00 committed by GitHub
commit aa22799b36
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1 changed files with 2 additions and 2 deletions
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library/proc_macro/src/lib.rs
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@ -708,7 +708,7 @@ impl Group {
/// pub fn span_open(&self) -> Span {
/// ^
/// ```
#[unstable(feature = "proc_macro_span", issue = "54725")]
#[stable(feature = "proc_macro_group_span", since = "1.55.0")]
pub fn span_open(&self) -> Span {
Span(self.0.span_open())
}
@ -719,7 +719,7 @@ impl Group {
/// pub fn span_close(&self) -> Span {
/// ^
/// ```
#[unstable(feature = "proc_macro_span", issue = "54725")]
#[stable(feature = "proc_macro_group_span", since = "1.55.0")]
pub fn span_close(&self) -> Span {
Span(self.0.span_close())
}