bjoernager/rust
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remove unnecessary to_string and String::new

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This commit is contained in:
Takayuki Maeda 2022-06-13 15:48:40 +09:00
parent c570ab5a0b
commit 77d6176e69
88 changed files with 292 additions and 340 deletions
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41
compiler/rustc_parse/src/parser/item.rs
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@ -298,7 +298,7 @@ impl<'a> Parser<'a> {
.span_suggestion_short(
span,
"items are imported using the `use` keyword",
"use".to_owned(),
"use",
Applicability::MachineApplicable,
)
.emit();
@ -458,7 +458,7 @@ impl<'a> Parser<'a> {
err.span_suggestion(
path.span,
"perhaps you meant to define a macro",
"macro_rules".to_string(),
"macro_rules",
Applicability::MachineApplicable,
);
}
@ -486,7 +486,7 @@ impl<'a> Parser<'a> {
err.span_suggestion_verbose(
self.token.span,
"consider removing this semicolon",
String::new(),
"",
Applicability::MaybeIncorrect,
);
}
@ -606,7 +606,7 @@ impl<'a> Parser<'a> {
.span_suggestion_short(
missing_for_span,
"add `for` here",
" for ".to_string(),
" for ",
Applicability::MachineApplicable,
)
.emit();
@ -1082,7 +1082,7 @@ impl<'a> Parser<'a> {
.span_suggestion(
span.with_hi(ident.span.lo()),
"try using a static value",
"static ".to_string(),
"static ",
Applicability::MachineApplicable,
)
.note("for more information, visit https://doc.rust-lang.org/std/keyword.extern.html")
@ -1121,7 +1121,7 @@ impl<'a> Parser<'a> {
.span_suggestion(
const_span,
"you might want to declare a static instead",
"static".to_owned(),
"static",
Applicability::MaybeIncorrect,
)
.emit();
@ -1555,7 +1555,7 @@ impl<'a> Parser<'a> {
err.span_suggestion_short(
self.prev_token.span,
"field names and their types are separated with `:`",
":".to_string(),
":",
Applicability::MachineApplicable,
);
err.emit();
@ -1582,7 +1582,7 @@ impl<'a> Parser<'a> {
.span_suggestion_verbose(
self.token.span,
"write a path separator here",
"::".to_string(),
"::",
Applicability::MaybeIncorrect,
)
.emit();
@ -1595,7 +1595,7 @@ impl<'a> Parser<'a> {
.span_suggestion(
sp,
"remove this unsupported default value",
String::new(),
"",
Applicability::MachineApplicable,
)
.emit();
@ -1691,7 +1691,7 @@ impl<'a> Parser<'a> {
.span_suggestion(
macro_rules_span,
"add a `!`",
"macro_rules!".to_owned(),
"macro_rules!",
Applicability::MachineApplicable,
)
.emit();
@ -1720,12 +1720,7 @@ impl<'a> Parser<'a> {
// Handle macro_rules! foo!
let span = self.prev_token.span;
self.struct_span_err(span, "macro names aren't followed by a `!`")
.span_suggestion(
span,
"remove the `!`",
"".to_owned(),
Applicability::MachineApplicable,
)
.span_suggestion(span, "remove the `!`", "", Applicability::MachineApplicable)
.emit();
}
@ -1751,7 +1746,7 @@ impl<'a> Parser<'a> {
.span_suggestion(
vis.span,
"try exporting the macro",
"#[macro_export]".to_owned(),
"#[macro_export]",
Applicability::MaybeIncorrect, // speculative
)
.emit();
@ -1760,7 +1755,7 @@ impl<'a> Parser<'a> {
.span_suggestion(
vis.span,
"remove the visibility",
String::new(),
"",
Applicability::MachineApplicable,
)
.help(&format!("try adjusting the macro to put `{vstr}` inside the invocation"))
@ -1794,14 +1789,14 @@ impl<'a> Parser<'a> {
err.span_suggestion(
span,
"change the delimiters to curly braces",
" { /* items */ }".to_string(),
" { /* items */ }",
Applicability::HasPlaceholders,
);
}
err.span_suggestion(
span.shrink_to_hi(),
"add a semicolon",
';'.to_string(),
';',
Applicability::MaybeIncorrect,
);
err.emit();
@ -1826,7 +1821,7 @@ impl<'a> Parser<'a> {
.span_suggestion(
item.unwrap().span,
&format!("consider creating a new `{kw_str}` definition instead of nesting"),
String::new(),
"",
Applicability::MaybeIncorrect,
)
.emit();
@ -2086,7 +2081,7 @@ impl<'a> Parser<'a> {
err.span_suggestion(
self.token.uninterpolated_span(),
&format!("`{original_kw}` already used earlier, remove this one"),
"".to_string(),
"",
Applicability::MachineApplicable,
)
.span_note(original_sp, &format!("`{original_kw}` first seen here"));
@ -2134,7 +2129,7 @@ impl<'a> Parser<'a> {
err.span_suggestion(
current_vis.span,
"there is already a visibility modifier, remove one",
"".to_string(),
"",
Applicability::MachineApplicable,
)
.span_note(orig_vis.span, "explicit visibility first seen here");