File: deref-recursive.rs

package info (click to toggle)
rustc-web 1.78.0%2Bdfsg1-2~deb12u3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,245,420 kB
  • sloc: xml: 147,985; javascript: 18,022; sh: 11,083; python: 10,265; ansic: 6,172; cpp: 5,023; asm: 4,390; makefile: 4,269
file content (41 lines) | stat: -rw-r--r-- 1,381 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
// #26207: Show all methods reachable via Deref impls, recursing through multiple dereferencing
// levels if needed.
// For `Deref` on foreign types, look at `deref-recursive-pathbuf.rs`.

// @has 'foo/struct.Foo.html'
// @has '-' '//*[@id="deref-methods-Bar"]' 'Methods from Deref<Target = Bar>'
// @has '-' '//*[@class="impl-items"]//*[@id="method.bar"]' 'pub fn bar(&self)'
// @has '-' '//*[@id="deref-methods-Baz"]' 'Methods from Deref<Target = Baz>'
// @has '-' '//*[@class="impl-items"]//*[@id="method.baz"]' 'pub fn baz(&self)'
// @has '-' '//div[@class="sidebar-elems"]//h3/a[@href="#deref-methods-Bar"]' 'Methods from Deref<Target=Bar>'
// @has '-' '//*[@class="sidebar-elems"]//section//a[@href="#method.bar"]' 'bar'
// @has '-' '//div[@class="sidebar-elems"]//h3/a[@href="#deref-methods-Baz"]' 'Methods from Deref<Target=Baz>'
// @has '-' '//*[@class="sidebar-elems"]//section//a[@href="#method.baz"]' 'baz'

#![crate_name = "foo"]

use std::ops::Deref;

pub struct Foo(Bar);
pub struct Bar(Baz);
pub struct Baz;

impl Deref for Foo {
    type Target = Bar;
    fn deref(&self) -> &Bar { &self.0 }
}

impl Deref for Bar {
    type Target = Baz;
    fn deref(&self) -> &Baz { &self.0 }
}

impl Bar {
    /// This appears under `Foo` methods
    pub fn bar(&self) {}
}

impl Baz {
    /// This should also appear in `Foo` methods when recursing
    pub fn baz(&self) {}
}