73 lines
1.3 KiB
Rust
73 lines
1.3 KiB
Rust
#![deny(unused_doc_comments)]
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fn doc_comment_on_match_arms(num: u8) -> bool {
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match num {
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3 => true,
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/// useless doc comment
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//~^ ERROR: unused doc comment
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_ => false,
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}
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}
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fn doc_comment_between_if_else(num: u8) -> bool {
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if num == 3 {
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true //~ ERROR: mismatched types
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}
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/// useless doc comment
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else { //~ ERROR: expected expression, found keyword `else`
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false
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}
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}
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fn doc_comment_on_expr(num: u8) -> bool {
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(/// useless doc comment
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//~^ ERROR: attributes on expressions are experimental
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//~| ERROR: unused doc comment
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num) == 3
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}
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fn doc_comment_on_expr_field() -> bool {
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struct S { foo: i32 }
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let x = S {
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/// useless doc comment
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//~^ ERROR: unused doc comment
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foo: 3
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};
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true
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}
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fn doc_comment_on_pat_field() -> bool {
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struct S { foo: i32 }
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let S {
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/// useless doc comment
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//~^ ERROR: unused doc comment
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foo
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} = S {
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foo: 3
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};
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true
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}
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fn doc_comment_on_generic<#[doc = "x"] T>(val: T) {}
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//~^ ERROR: unused doc comment
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fn doc_comment_on_block() {
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/// unused doc comment
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//~^ ERROR: unused doc comment
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{
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let x = 12;
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}
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}
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/// unused doc comment
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//~^ ERROR: unused doc comment
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extern "C" {
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fn foo();
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}
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fn main() {}
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