bjoernager/rust
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rustc_builtin_macros: remove ref patterns

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... and other pattern matching improvements
This commit is contained in:
Maybe Waffle 2022-12-06 13:22:36 +00:00
parent 244990a6e9
commit 700c095306
16 changed files with 177 additions and 197 deletions
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10
compiler/rustc_builtin_macros/src/concat_bytes.rs
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@ -144,8 +144,8 @@ pub fn expand_concat_bytes(
let mut missing_literals = vec![];
let mut has_errors = false;
for e in es {
match e.kind {
ast::ExprKind::Array(ref exprs) => {
match &e.kind {
ast::ExprKind::Array(exprs) => {
for expr in exprs {
if let Some(elem) =
handle_array_element(cx, &mut has_errors, &mut missing_literals, expr)
@ -154,7 +154,7 @@ pub fn expand_concat_bytes(
}
}
}
ast::ExprKind::Repeat(ref expr, ref count) => {
ast::ExprKind::Repeat(expr, count) => {
if let ast::ExprKind::Lit(token_lit) = count.value.kind
&& let Ok(ast::LitKind::Int(count_val, _)) =
ast::LitKind::from_token_lit(token_lit)
@ -170,7 +170,7 @@ pub fn expand_concat_bytes(
cx.span_err(count.value.span, "repeat count is not a positive number");
}
}
ast::ExprKind::Lit(token_lit) => match ast::LitKind::from_token_lit(token_lit) {
&ast::ExprKind::Lit(token_lit) => match ast::LitKind::from_token_lit(token_lit) {
Ok(ast::LitKind::Byte(val)) => {
accumulator.push(val);
}
@ -184,7 +184,7 @@ pub fn expand_concat_bytes(
has_errors = true;
}
},
ast::ExprKind::IncludedBytes(ref bytes) => {
ast::ExprKind::IncludedBytes(bytes) => {
accumulator.extend_from_slice(bytes);
}
ast::ExprKind::Err => {