bjoernager/rust
bjoernager/rust
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remove unwrap

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This commit is contained in:
yukang 2023-06-10 10:34:19 +08:00
parent e3071eaa60
commit f54e75730b
1 changed files with 12 additions and 9 deletions
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21
compiler/rustc_parse/src/parser/diagnostics.rs
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@ -756,16 +756,19 @@ impl<'a> Parser<'a> {
// we expect to suggest `(foo::Bar { ... })` instead of `foo::(Bar { ... })`
let sm = self.sess.source_map();
let before = maybe_struct_name.span.shrink_to_lo();
let extend_before = sm.span_extend_prev_while(before, |t| {
if let Ok(extend_before) = sm.span_extend_prev_while(before, |t| {
t.is_alphanumeric() || t == ':' || t == '_'
});
Err(self.sess.create_err(StructLiteralNeedingParens {
span: maybe_struct_name.span.to(expr.span),
sugg: StructLiteralNeedingParensSugg {
before: extend_before.unwrap().shrink_to_lo(),
after: expr.span.shrink_to_hi(),
},
}))
}) {
Err(self.sess.create_err(StructLiteralNeedingParens {
span: maybe_struct_name.span.to(expr.span),
sugg: StructLiteralNeedingParensSugg {
before: extend_before.shrink_to_lo(),
after: expr.span.shrink_to_hi(),
},
}))
} else {
return None;
}
} else {
self.sess.emit_err(StructLiteralBodyWithoutPath {
span: expr.span,