17 lines
466 B
Rust
17 lines
466 B
Rust
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#![feature(const_trait_impl, const_mut_refs)]
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struct Foo<'a> {
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bar: &'a mut Vec<usize>,
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}
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impl<'a> Foo<'a> {
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const fn spam(&mut self, baz: &mut Vec<u32>) {
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self.bar[0] = baz.len();
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//~^ ERROR cannot call non-const fn `Vec::<u32>::len` in constant functions
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//~| ERROR the trait bound `Vec<usize>: ~const IndexMut<usize>` is not satisfied
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//~| ERROR cannot call non-const operator in constant functions
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}
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}
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fn main() {}
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