rust/src/test/ui/issues/issue-41726.stderr

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error[E0596]: cannot borrow data in an index of `std::collections::HashMap<std::string::String, std::vec::Vec<std::string::String>>` as mutable
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--> $DIR/issue-41726.rs:5:9
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|
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LL | things[src.as_str()].sort();
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| ^^^^^^^^^^^^^^^^^^^^ cannot borrow as mutable
|
= help: trait `IndexMut` is required to modify indexed content, but it is not implemented for `std::collections::HashMap<std::string::String, std::vec::Vec<std::string::String>>`
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error: aborting due to previous error
For more information about this error, try `rustc --explain E0596`.