55 lines
1.3 KiB
Rust
55 lines
1.3 KiB
Rust
//@ compile-flags: -C no-prepopulate-passes -Copt-level=0 -Zmir-opt-level=0
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#![crate_type = "lib"]
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#![feature(ergonomic_clones)]
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#![allow(incomplete_features)]
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use std::clone::UseCloned;
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pub fn ergonomic_clone_closure_move() -> String {
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let s = String::from("hi");
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// CHECK-NOT: ; call core::clone::impls::<impl core::clone::Clone for String>::clone
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let cl = use || s;
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cl()
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}
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#[derive(Clone)]
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struct Foo;
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impl UseCloned for Foo {}
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pub fn ergonomic_clone_closure_use_cloned() -> Foo {
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let f = Foo;
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// CHECK: ; call <closure::Foo as core::clone::Clone>::clone
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let f1 = use || f;
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// CHECK: ; call <closure::Foo as core::clone::Clone>::clone
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let f2 = use || f;
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f
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}
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pub fn ergonomic_clone_closure_copy() -> i32 {
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let i = 1;
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// CHECK-NOT: ; call core::clone::impls::<impl core::clone::Clone for i32>::clone
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let i1 = use || i;
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// CHECK-NOT: ; call core::clone::impls::<impl core::clone::Clone for i32>::clone
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let i2 = use || i;
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i
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}
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pub fn ergonomic_clone_closure_use_cloned_generics<T: UseCloned>(f: T) -> T {
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// CHECK-NOT: ; call core::clone::impls::<impl core::clone::Clone for i32>::clone
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let f1 = use || f;
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// CHECK-NOT: ; call core::clone::impls::<impl core::clone::Clone for i32>::clone
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let f2 = use || f;
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f
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}
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