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tutorial: Fix 'self' to 'Self'

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ILYONG CHO 2013-04-29 17:59:25 +09:00
parent ea74f6845e
commit 9d33008da1
1 changed files with 4 additions and 5 deletions
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doc/tutorial.md
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@ -2056,11 +2056,10 @@ method declarations. So, re-declaring the type parameter
`T` as an explicit type parameter for `len`, in either the trait or `T` as an explicit type parameter for `len`, in either the trait or
the impl, would be a compile-time error. the impl, would be a compile-time error.
Within a trait definition, `self` is a special type that you can think Within a trait definition, `Self` is a special type that you can think
of as a type parameter. An implementation of the trait for any given of as a type parameter. An implementation of the trait for any given
type `T` replaces the `self` type parameter with `T`. Simply, in a type `T` replaces the `Self` type parameter with `T`. The following
trait, `self` is a type, and in an impl, `self` is a value. The trait describes types that support an equality operation:
following trait describes types that support an equality operation:
~~~~ ~~~~
// In a trait, `self` refers to the self argument. // In a trait, `self` refers to the self argument.
@ -2076,7 +2075,7 @@ impl Eq for int {
~~~~ ~~~~
Notice that in the trait definition, `equals` takes a Notice that in the trait definition, `equals` takes a
second parameter of type `self`. second parameter of type `Self`.
In contrast, in the `impl`, `equals` takes a second parameter of In contrast, in the `impl`, `equals` takes a second parameter of
type `int`, only using `self` as the name of the receiver. type `int`, only using `self` as the name of the receiver.