rust/tests/rustdoc-ui/impl-fn-nesting.rs

50 lines
1.8 KiB
Rust

// Ensure that rustdoc gives errors for trait impls inside function bodies that don't resolve.
// See https://github.com/rust-lang/rust/pull/73566
pub struct ValidType;
pub trait ValidTrait {}
pub trait NeedsBody {
type Item;
fn f();
}
/// This function has docs
pub fn f<B: UnknownBound>(a: UnknownType, b: B) {
//~^ ERROR cannot find trait `UnknownBound` in this scope
//~| ERROR cannot find type `UnknownType` in this scope
impl UnknownTrait for ValidType {} //~ ERROR cannot find trait `UnknownTrait`
impl<T: UnknownBound> UnknownTrait for T {}
//~^ ERROR cannot find trait `UnknownBound` in this scope
//~| ERROR cannot find trait `UnknownTrait` in this scope
impl ValidTrait for UnknownType {}
//~^ ERROR cannot find type `UnknownType` in this scope
impl ValidTrait for ValidType where ValidTrait: UnknownBound {}
//~^ ERROR cannot find trait `UnknownBound` in this scope
/// This impl has documentation
impl NeedsBody for ValidType {
type Item = UnknownType;
//~^ ERROR cannot find type `UnknownType` in this scope
/// This function has documentation
fn f() {
<UnknownTypeShouldBeIgnored>::a();
content::shouldnt::matter();
unknown_macro!();
//~^ ERROR cannot find macro `unknown_macro` in this scope
/// This is documentation for a macro
macro_rules! can_define_macros_here_too {
() => {
this::content::should::also::be::ignored()
}
}
can_define_macros_here_too!();
/// This also is documented.
pub fn doubly_nested(c: UnknownType) {
//~^ ERROR cannot find type `UnknownType` in this scope
}
}
}
}