reference: improve readability
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@ -1418,9 +1418,13 @@ impl<T> Container for Vec<T> {
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```
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Generic functions may use traits as _bounds_ on their type parameters. This
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will have two effects: only types that have the trait may instantiate the
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parameter, and within the generic function, the methods of the trait can be
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called on values that have the parameter's type. For example:
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will have two effects:
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- Only types that have the trait may instantiate the parameter.
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- Within the generic function, the methods of the trait can be
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called on values that have the parameter's type.
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For example:
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```
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# type Surface = i32;
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