94 lines
2.1 KiB
Rust
94 lines
2.1 KiB
Rust
// gate-test-coroutine_clone
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// Verifies that non-static coroutines can be cloned/copied if all their upvars and locals held
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// across awaits can be cloned/copied.
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//@compile-flags: --diagnostic-width=300
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#![feature(coroutines, coroutine_clone, stmt_expr_attributes)]
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struct NonClone;
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fn test1() {
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let copyable: u32 = 123;
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let gen_copy_0 = #[coroutine]
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move || {
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yield;
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drop(copyable);
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};
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check_copy(&gen_copy_0);
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check_clone(&gen_copy_0);
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}
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fn test2() {
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let copyable: u32 = 123;
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let gen_copy_1 = #[coroutine]
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move || {
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/*
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let v = vec!['a'];
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let n = NonClone;
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drop(v);
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drop(n);
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*/
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yield;
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let v = vec!['a'];
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let n = NonClone;
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drop(n);
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drop(copyable);
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};
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check_copy(&gen_copy_1);
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check_clone(&gen_copy_1);
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}
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fn test3() {
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let clonable_0: Vec<u32> = Vec::new();
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let gen_clone_0 = #[coroutine]
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move || {
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let v = vec!['a'];
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yield;
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drop(v);
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drop(clonable_0);
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};
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check_copy(&gen_clone_0);
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//~^ ERROR the trait bound `Vec<u32>: Copy` is not satisfied
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//~| ERROR the trait bound `Vec<char>: Copy` is not satisfied
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check_clone(&gen_clone_0);
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}
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fn test4() {
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let clonable_1: Vec<u32> = Vec::new();
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let gen_clone_1 = #[coroutine]
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move || {
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let v = vec!['a'];
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/*
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let n = NonClone;
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drop(n);
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*/
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yield;
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let n = NonClone;
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drop(n);
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drop(v);
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drop(clonable_1);
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};
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check_copy(&gen_clone_1);
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//~^ ERROR the trait bound `Vec<u32>: Copy` is not satisfied
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//~| ERROR the trait bound `Vec<char>: Copy` is not satisfied
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check_clone(&gen_clone_1);
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}
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fn test5() {
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let non_clonable: NonClone = NonClone;
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let gen_non_clone = #[coroutine]
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move || {
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yield;
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drop(non_clonable);
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};
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check_copy(&gen_non_clone);
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//~^ ERROR the trait bound `NonClone: Copy` is not satisfied
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check_clone(&gen_non_clone);
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//~^ ERROR the trait bound `NonClone: Clone` is not satisfied
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}
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fn check_copy<T: Copy>(_x: &T) {}
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fn check_clone<T: Clone>(_x: &T) {}
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fn main() {}
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