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Improve special-traits section very slightly.

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Graydon Hoare 2015-04-17 20:00:47 -07:00
parent 7f2f09f1b4
commit f5b2963103
1 changed files with 10 additions and 8 deletions
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src/doc/reference.md
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@ -3821,18 +3821,20 @@ impl Printable for String {
`self` refers to the value of type `String` that is the receiver for a call to
the method `make_string`.
# The `Copy` trait
# Special traits
Rust has a special trait, `Copy`, which when implemented changes the semantics
of a value. Values whose type implements `Copy` are copied rather than moved
upon assignment.
Several traits define special evaluation behavior.
# The `Sized` trait
## The `Copy` trait
`Sized` is a special trait which indicates that the size of this type is known
at compile-time.
The `Copy` trait changes the semantics of a type implementing it. Values whose
type implements `Copy` are copied rather than moved upon assignment.
# The `Drop` trait
## The `Sized` trait
The `Sized` trait indicates that the size of this type is known at compile-time.
## The `Drop` trait
The `Drop` trait provides a destructor, to be run whenever a value of this type
is to be destroyed.