100-exercises-to-learn-rust
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04/Traits/07_Deref std::String::trim
04/Traits/07_Deref says:
// TODO: whenever title and description are returned via their accessor methods, they
// should be normalized—i.e. leading and trailing whitespace should be removed.
// There is a method in Rust's standard library that can help with this, but you won't
// find it in the documentation for String.
// Can you figure out where it is defined and how to use it?
This method appears to be in String:
