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Talk about gen fn in diagnostics about gen fn

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This commit is contained in:
Oli Scherer 2023-10-30 10:13:12 +00:00
parent 91bbdd927a
commit 745c600617
5 changed files with 8 additions and 8 deletions
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4
compiler/rustc_parse/messages.ftl
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@ -278,8 +278,8 @@ parse_found_expr_would_be_stmt = expected expression, found `{$token}`
parse_function_body_equals_expr = function body cannot be `= expression;`
.suggestion = surround the expression with `{"{"}` and `{"}"}` instead of `=` and `;`
parse_gen_block = `gen` blocks are not yet implemented
.help = only the keyword is reserved for now
parse_gen_fn = `gen` functions are not yet implemented
.help = for now you can use `gen {"{}"}` blocks and return `impl Iterator` instead
parse_generic_args_in_pat_require_turbofish_syntax = generic args in patterns require the turbofish syntax

4
compiler/rustc_parse/src/errors.rs
View file

@ -521,9 +521,9 @@ pub(crate) struct CatchAfterTry {
}
#[derive(Diagnostic)]
#[diag(parse_gen_block)]
#[diag(parse_gen_fn)]
#[help]
pub(crate) struct GenBlock {
pub(crate) struct GenFn {
#[primary_span]
pub span: Span,
}

2
compiler/rustc_parse/src/parser/item.rs
View file

@ -2372,7 +2372,7 @@ impl<'a> Parser<'a> {
}
if let Gen::Yes { span, .. } = genness {
self.sess.emit_err(errors::GenBlock { span });
self.sess.emit_err(errors::GenFn { span });
}
if !self.eat_keyword_case(kw::Fn, case) {