mirror of https://github.com/rust-lang/rust
32 lines
1.2 KiB
Rust
32 lines
1.2 KiB
Rust
fn main() {
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let _ = || {
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let mut test = Vec::new();
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let rofl: &Vec<Vec<i32>> = &mut test;
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//~^ HELP consider changing this binding's type
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rofl.push(Vec::new());
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//~^ ERROR cannot borrow `*rofl` as mutable, as it is behind a `&` reference
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//~| NOTE `rofl` is a `&` reference, so the data it refers to cannot be borrowed as mutable
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let mut mutvar = 42;
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let r = &mutvar;
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//~^ HELP consider changing this to be a mutable reference
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*r = 0;
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//~^ ERROR cannot assign to `*r`, which is behind a `&` reference
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//~| NOTE `r` is a `&` reference, so the data it refers to cannot be written
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#[rustfmt::skip]
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let x: &usize = &mut{0};
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//~^ HELP consider changing this binding's type
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*x = 1;
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//~^ ERROR cannot assign to `*x`, which is behind a `&` reference
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//~| NOTE `x` is a `&` reference, so the data it refers to cannot be written
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#[rustfmt::skip]
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let y: &usize = &mut(0);
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//~^ HELP consider changing this binding's type
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*y = 1;
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//~^ ERROR cannot assign to `*y`, which is behind a `&` reference
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//~| NOTE `y` is a `&` reference, so the data it refers to cannot be written
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};
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}
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