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error[E0596]: cannot borrow data in an index of `HashMap<String, Vec<String>>` as mutable
--> $DIR/issue-41726.rs:5:9
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LL | things[src.as_str()].sort();
| ^^^^^^^^^^^^^^^^^^^^ cannot borrow as mutable
|
= help: trait `IndexMut` is required to modify indexed content, but it is not implemented for `HashMap<String, Vec<String>>`
help: to modify a `HashMap<String, Vec<String>>` use `.get_mut()`
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LL | if let Some(val) = things.get_mut(src.as_str()) { val.sort(); };
| ++++++++++++++++++ ~~~~~~~~~ ~~~~~~~ +++
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0596`.
|
