Mirrors/rust
1
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2026-05-22 10:05:06 +03:00
Code Issues Packages Projects Releases Wiki Activity

Rollup merge of #106946 - dtolnay:hashlinecolumn, r=m-ou-se

Browse Source 
implement Hash for proc_macro::LineColumn

For use in `HashMap<LineColumn, TokenTree>` or `HashMap<LineColumn, Comment>`, for example.

[Here is an example of one case complicated by the absence of this impl.](https://github.com/andrewbaxter/genemichaels/blob/71bc45e417c3f9dae09f890f1ec4630e758e5c70/src/comments.rs#L25-L34)

Tracking issue: https://github.com/rust-lang/rust/issues/54725
This commit is contained in:
Matthias Krüger
2023-01-26 07:53:24 +01:00
committed by GitHub
parent 35a8d6fea4 25f0147db2
commit d667105681
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
library/proc_macro/src/lib.rs
+1 -1
View File
@@ -581,7 +581,7 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
/// A line-column pair representing the start or end of a `Span`.
#[unstable(feature = "proc_macro_span", issue = "54725")]
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
pub struct LineColumn {
/// The 1-indexed line in the source file on which the span starts or ends (inclusive).
#[unstable(feature = "proc_macro_span", issue = "54725")]