mirror of https://github.com/rust-lang/rust
35 lines
658 B
Rust
35 lines
658 B
Rust
//@ edition:2021
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// Ensure that diagnostics for mutability error (because the root variable
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// isn't mutable) work with `capture_disjoint_fields` enabled.
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fn mut_error_struct() {
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let x = (10, 10);
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let y = (x, 10);
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let z = (y, 10);
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let mut c = || {
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z.0.0.0 = 20;
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//~^ ERROR: cannot assign to `z.0.0.0`, as it is not declared as mutable
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};
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c();
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}
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fn mut_error_box() {
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let x = (10, 10);
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let bx = Box::new(x);
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let mut c = || {
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bx.0 = 20;
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//~^ ERROR: cannot assign to `*bx.0`, as it is not declared as mutable
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};
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c();
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}
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fn main() {
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mut_error_struct();
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mut_error_box();
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}
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