diff options
Diffstat (limited to 'compiler/rustc_ast/src/token.rs')
| -rw-r--r-- | compiler/rustc_ast/src/token.rs | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/compiler/rustc_ast/src/token.rs b/compiler/rustc_ast/src/token.rs index c0cc4e79a..f947ae4d0 100644 --- a/compiler/rustc_ast/src/token.rs +++ b/compiler/rustc_ast/src/token.rs @@ -114,7 +114,7 @@ impl Lit { if let NtExpr(expr) | NtLiteral(expr) = &**nt && let ast::ExprKind::Lit(token_lit) = expr.kind => { - Some(token_lit.clone()) + Some(token_lit) } _ => None, } @@ -125,27 +125,27 @@ impl fmt::Display for Lit { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { let Lit { kind, symbol, suffix } = *self; match kind { - Byte => write!(f, "b'{}'", symbol)?, - Char => write!(f, "'{}'", symbol)?, - Str => write!(f, "\"{}\"", symbol)?, + Byte => write!(f, "b'{symbol}'")?, + Char => write!(f, "'{symbol}'")?, + Str => write!(f, "\"{symbol}\"")?, StrRaw(n) => write!( f, "r{delim}\"{string}\"{delim}", delim = "#".repeat(n as usize), string = symbol )?, - ByteStr => write!(f, "b\"{}\"", symbol)?, + ByteStr => write!(f, "b\"{symbol}\"")?, ByteStrRaw(n) => write!( f, "br{delim}\"{string}\"{delim}", delim = "#".repeat(n as usize), string = symbol )?, - Integer | Float | Bool | Err => write!(f, "{}", symbol)?, + Integer | Float | Bool | Err => write!(f, "{symbol}")?, } if let Some(suffix) = suffix { - write!(f, "{}", suffix)?; + write!(f, "{suffix}")?; } Ok(()) @@ -379,6 +379,10 @@ impl Token { } } + pub fn is_range_separator(&self) -> bool { + [DotDot, DotDotDot, DotDotEq].contains(&self.kind) + } + pub fn is_op(&self) -> bool { match self.kind { Eq | Lt | Le | EqEq | Ne | Ge | Gt | AndAnd | OrOr | Not | Tilde | BinOp(_) @@ -752,7 +756,7 @@ impl Token { _ => return None, }, SingleQuote => match joint.kind { - Ident(name, false) => Lifetime(Symbol::intern(&format!("'{}", name))), + Ident(name, false) => Lifetime(Symbol::intern(&format!("'{name}"))), _ => return None, }, |