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repair out of date text from ref manual regarding iface-less impls

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Niko Matsakis 2012-07-18 15:55:13 -07:00
parent 9c1dea5eb2
commit 135a8afd7b
1 changed files with 5 additions and 12 deletions
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doc/rust.md
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@ -1350,20 +1350,13 @@ implemented. Implementation names do not conflict the way other names
do: multiple implementations with the same name may exist in a scope at
the same time.
It is possible to define an implementation without referring to a trait.
The methods in such an implementation can only be used
It is possible to define an implementation without referring to a
trait. The methods in such an implementation can only be used
statically (as direct calls on the values of the type that the
implementation targets). In such an implementation, the `of` clause is
not given, and the name is mandatory.
~~~~
impl uint_loops for uint {
fn times(f: fn(uint)) {
let mut i = 0u;
while i < self { f(i); i += 1u; }
}
}
~~~~
not given, and the name is mandatory. Such implementations are
limited to nominal types (enums, classes) and the implementation must
appear in the same module or a sub-module as the receiver type.
_When_ a trait is specified, all methods declared as part of the
trait must be present, with matching types and type parameter