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5fbdfc3e10
This adds an `iter!` macro that can be used to create movable generators. This also adds a yield_expr feature so the `yield` keyword can be used within iter! macro bodies. This was needed because several unstable features each need `yield` expressions, so this allows us to stabilize them separately from any individual feature. Co-authored-by: Oli Scherer <github35764891676564198441@oli-obk.de> Co-authored-by: Jieyou Xu <jieyouxu@outlook.com> Co-authored-by: Travis Cross <tc@traviscross.com>
14 lines
356 B
Rust
14 lines
356 B
Rust
//@ edition:2024
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#![feature(gen_blocks)]
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const gen fn a() {}
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//~^ ERROR functions cannot be both `const` and `gen`
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//~^^ ERROR `gen` fn bodies are not allowed in constant functions
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const async gen fn b() {}
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//~^ ERROR functions cannot be both `const` and `async gen`
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//~^^ ERROR `async gen` fn bodies are not allowed in constant functions
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fn main() {}
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