tutorial: Fix 'self' to 'Self'
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@ -2056,11 +2056,10 @@ method declarations. So, re-declaring the type parameter
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`T` as an explicit type parameter for `len`, in either the trait or
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the impl, would be a compile-time error.
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Within a trait definition, `self` is a special type that you can think
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Within a trait definition, `Self` is a special type that you can think
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of as a type parameter. An implementation of the trait for any given
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type `T` replaces the `self` type parameter with `T`. Simply, in a
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trait, `self` is a type, and in an impl, `self` is a value. The
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following trait describes types that support an equality operation:
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type `T` replaces the `Self` type parameter with `T`. The following
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trait describes types that support an equality operation:
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~~~~
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// In a trait, `self` refers to the self argument.
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@ -2076,7 +2075,7 @@ impl Eq for int {
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~~~~
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Notice that in the trait definition, `equals` takes a
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second parameter of type `self`.
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second parameter of type `Self`.
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In contrast, in the `impl`, `equals` takes a second parameter of
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type `int`, only using `self` as the name of the receiver.
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