mirror of https://github.com/rust-lang/rust
21 lines
417 B
Rust
21 lines
417 B
Rust
//@ edition: 2024
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//@ compile-flags: -Zunstable-options
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//@ run-pass
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#![feature(gen_blocks)]
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// make sure that a ridiculously simple gen fn works as an iterator.
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gen fn foo() -> i32 {
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yield 1;
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yield 2;
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yield 3;
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}
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fn main() {
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let mut iter = foo();
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assert_eq!(iter.next(), Some(1));
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assert_eq!(iter.next(), Some(2));
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assert_eq!(iter.next(), Some(3));
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assert_eq!(iter.next(), None);
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}
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