Merge pull request #2232 from rust-lang-nursery/fixup-const-static-lifetime

Fixup "const static lifetime" lint for non-path types
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Oliver Schneider 2017-11-19 09:28:47 +01:00 committed by GitHub
commit acc81cf921
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5 changed files with 56 additions and 16 deletions

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@ -48,20 +48,23 @@ impl StaticConst {
TyKind::Rptr(ref optional_lifetime, ref borrow_type) => {
// Match the 'static lifetime
if let Some(lifetime) = *optional_lifetime {
if let TyKind::Path(_, _) = borrow_type.ty.node {
// Verify that the path is a str
if lifetime.ident.name == "'static" {
let mut sug: String = String::new();
span_lint_and_then(
cx,
CONST_STATIC_LIFETIME,
lifetime.span,
"Constants have by default a `'static` lifetime",
|db| {
db.span_suggestion(lifetime.span, "consider removing `'static`", sug);
},
);
match borrow_type.ty.node {
TyKind::Path(..) | TyKind::Slice(..) | TyKind::Array(..) |
TyKind::Tup(..) => {
if lifetime.ident.name == "'static" {
let mut sug: String = String::new();
span_lint_and_then(
cx,
CONST_STATIC_LIFETIME,
lifetime.span,
"Constants have by default a `'static` lifetime",
|db| {
db.span_suggestion(lifetime.span, "consider removing `'static`", sug);
},
);
}
}
_ => {}
}
}
self.visit_type(&*borrow_type.ty, cx);