26 lines
563 B
Rust
26 lines
563 B
Rust
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//! This test ensures that a mutable reference cannot be passed as a resume argument twice.
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#![feature(generators, generator_trait)]
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use std::marker::Unpin;
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use std::ops::{
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Generator,
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GeneratorState::{self, *},
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};
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use std::pin::Pin;
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fn main() {
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let mut thing = String::from("hello");
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let mut gen = |r| {
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if false {
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yield r;
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}
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};
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let mut gen = Pin::new(&mut gen);
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gen.as_mut().resume(&mut thing);
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gen.as_mut().resume(&mut thing);
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//~^ cannot borrow `thing` as mutable more than once at a time
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}
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