Trait std::collections::enum_set::CLikeExperimental
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[+]
[src]
pub trait CLike { fn to_uint(&self) -> uint; fn from_uint(uint) -> Self; }
An interface for casting C-like enum to uint and back. A typically implementation is as below.
fn main() { #[repr(uint)] enum Foo { A, B, C } impl CLike for Foo { fn to_uint(&self) -> uint { *self as uint } fn from_uint(v: uint) -> Foo { unsafe { mem::transmute(v) } } } }#[repr(uint)] enum Foo { A, B, C } impl CLike for Foo { fn to_uint(&self) -> uint { *self as uint } fn from_uint(v: uint) -> Foo { unsafe { mem::transmute(v) } } }
Required Methods
fn to_uint(&self) -> uint
Converts a C-like enum to a uint
.
fn from_uint(uint) -> Self
Converts a uint
to a C-like enum.