diff options
Diffstat (limited to 'compiler/rustc_parse/src/parser/diagnostics.rs')
| -rw-r--r-- | compiler/rustc_parse/src/parser/diagnostics.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs index 0f49386dec0..b5b5278b5ce 100644 --- a/compiler/rustc_parse/src/parser/diagnostics.rs +++ b/compiler/rustc_parse/src/parser/diagnostics.rs @@ -223,7 +223,7 @@ impl<'a> Parser<'a> { fn tokens_to_string(tokens: &[TokenType]) -> String { let mut i = tokens.iter(); // This might be a sign we need a connect method on `Iterator`. - let b = i.next().map_or(String::new(), |t| t.to_string()); + let b = i.next().map_or_else(|| String::new(), |t| t.to_string()); i.enumerate().fold(b, |mut b, (i, a)| { if tokens.len() > 2 && i == tokens.len() - 2 { b.push_str(", or "); |