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rustdoc: Hide -> () in cross crate inlined Fn* bounds

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This commit is contained in:
Oliver Middleton 2018-02-07 13:14:37 +00:00
parent 560a2f4faf
commit 528d6b65b6
3 changed files with 43 additions and 1 deletions
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4
src/librustdoc/clean/simplify.rs
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@ -106,7 +106,9 @@ pub fn where_clauses(cx: &DocContext, clauses: Vec<WP>) -> Vec<WP> {
}
PP::Parenthesized { ref mut output, .. } => {
assert!(output.is_none());
*output = Some(rhs.clone());
if *rhs != clean::Type::Tuple(Vec::new()) {
*output = Some(rhs.clone());
}
}
};
true

13
src/test/rustdoc/auxiliary/unit-return.rs Normal file
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@ -0,0 +1,13 @@
// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
pub fn f2<F: FnMut(u32) + Clone>(f: F) {}
pub fn f3<F: FnMut(u64) -> () + Clone>(f: F) {}

27
src/test/rustdoc/unit-return.rs Normal file
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@ -0,0 +1,27 @@
// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// aux-build:unit-return.rs
#![crate_name = "foo"]
extern crate unit_return;
// @has 'foo/fn.f0.html' '//*[@class="rust fn"]' 'F: FnMut(u8) + Clone'
pub fn f0<F: FnMut(u8) + Clone>(f: F) {}
// @has 'foo/fn.f1.html' '//*[@class="rust fn"]' 'F: FnMut(u16) + Clone'
pub fn f1<F: FnMut(u16) -> () + Clone>(f: F) {}
// @has 'foo/fn.f2.html' '//*[@class="rust fn"]' 'F: FnMut(u32) + Clone'
pub use unit_return::f2;
// @has 'foo/fn.f3.html' '//*[@class="rust fn"]' 'F: FnMut(u64) + Clone'
pub use unit_return::f3;