rust/tests/rustdoc/deref/recursive-deref.rs
2023-04-28 12:54:26 -07:00

121 lines
2.8 KiB
Rust

use std::ops::Deref;
// Cyclic deref with the parent (which is not the top parent).
pub struct A;
pub struct B;
pub struct C;
impl C {
pub fn c(&self) {}
}
// @has recursive_deref/struct.A.html '//h3[@class="code-header"]' 'impl Deref for A'
// @has '-' '//*[@class="impl-items"]//*[@id="method.c"]' 'pub fn c(&self)'
impl Deref for A {
type Target = B;
fn deref(&self) -> &Self::Target {
panic!()
}
}
// @has recursive_deref/struct.B.html '//h3[@class="code-header"]' 'impl Deref for B'
// @has '-' '//*[@class="impl-items"]//*[@id="method.c"]' 'pub fn c(&self)'
impl Deref for B {
type Target = C;
fn deref(&self) -> &Self::Target {
panic!()
}
}
// @has recursive_deref/struct.C.html '//h3[@class="code-header"]' 'impl Deref for C'
impl Deref for C {
type Target = B;
fn deref(&self) -> &Self::Target {
panic!()
}
}
// Cyclic deref with the grand-parent (which is not the top parent).
pub struct D;
pub struct E;
pub struct F;
pub struct G;
impl G {
// There is no "self" parameter so it shouldn't be listed!
pub fn g() {}
}
// @has recursive_deref/struct.D.html '//h3[@class="code-header"]' 'impl Deref for D'
// We also check that `G::g` method isn't rendered because there is no `self` argument.
// @!has '-' '//*[@id="deref-methods-G"]' ''
impl Deref for D {
type Target = E;
fn deref(&self) -> &Self::Target {
panic!()
}
}
// @has recursive_deref/struct.E.html '//h3[@class="code-header"]' 'impl Deref for E'
// We also check that `G::g` method isn't rendered because there is no `self` argument.
// @!has '-' '//*[@id="deref-methods-G"]' ''
impl Deref for E {
type Target = F;
fn deref(&self) -> &Self::Target {
panic!()
}
}
// @has recursive_deref/struct.F.html '//h3[@class="code-header"]' 'impl Deref for F'
// We also check that `G::g` method isn't rendered because there is no `self` argument.
// @!has '-' '//*[@id="deref-methods-G"]' ''
impl Deref for F {
type Target = G;
fn deref(&self) -> &Self::Target {
panic!()
}
}
// @has recursive_deref/struct.G.html '//h3[@class="code-header"]' 'impl Deref for G'
impl Deref for G {
type Target = E;
fn deref(&self) -> &Self::Target {
panic!()
}
}
// Cyclic deref with top parent.
pub struct H;
pub struct I;
impl I {
// There is no "self" parameter so it shouldn't be listed!
pub fn i() {}
}
// @has recursive_deref/struct.H.html '//h3[@class="code-header"]' 'impl Deref for H'
// @!has '-' '//*[@id="deref-methods-I"]' ''
impl Deref for H {
type Target = I;
fn deref(&self) -> &Self::Target {
panic!()
}
}
// @has recursive_deref/struct.I.html '//h3[@class="code-header"]' 'impl Deref for I'
impl Deref for I {
type Target = H;
fn deref(&self) -> &Self::Target {
panic!()
}
}