40 lines
649 B
Rust
40 lines
649 B
Rust
// check-pass
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use std::io::Write;
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struct A(Vec<u8>);
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struct B<'a> {
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one: &'a mut A,
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two: &'a mut Vec<u8>,
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three: Vec<u8>,
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}
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impl<'a> B<'a> {
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fn one(&mut self) -> &mut impl Write {
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&mut self.one.0
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}
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fn two(&mut self) -> &mut impl Write {
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&mut *self.two
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}
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fn three(&mut self) -> &mut impl Write {
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&mut self.three
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}
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}
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struct C<'a>(B<'a>);
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impl<'a> C<'a> {
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fn one(&mut self) -> &mut impl Write {
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self.0.one()
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}
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fn two(&mut self) -> &mut impl Write {
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self.0.two()
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}
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fn three(&mut self) -> &mut impl Write {
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self.0.three()
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}
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}
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fn main() {}
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