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