bjoernager/rust
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Use fast comparison against kw::Empty

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We think `.as_str().lines().next().is_none()` should be equivalent to
`== kw::Empty`.

Co-authored-by: Joshua Nelson <github@jyn.dev>
This commit is contained in:
Noah Lev 2021-11-19 11:13:24 -05:00
parent a792234388
commit 7a4e2ceb92
1 changed files with 3 additions and 1 deletions
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4
src/librustdoc/passes/unindent_comments.rs
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@ -1,5 +1,7 @@
use std::cmp; use std::cmp;
use rustc_span::symbol::kw;
use crate::clean::{self, DocFragment, DocFragmentKind, Item}; use crate::clean::{self, DocFragment, DocFragmentKind, Item};
use crate::core::DocContext; use crate::core::DocContext;
use crate::fold::{self, DocFolder}; use crate::fold::{self, DocFolder};
@ -87,7 +89,7 @@ fn unindent_fragments(docs: &mut Vec<DocFragment>) {
}; };
for fragment in docs { for fragment in docs {
if fragment.doc.as_str().lines().next().is_none() { if fragment.doc == kw::Empty {
continue; continue;
} }