[−][src]Trait nonzero_ext::NonZeroAble
A trait identifying integral types that have a non-zeroable equivalent.
Associated Types
type NonZero: NonZero
The concrete non-zero type represented by an implementation of
this trait. For example, for u8
's implementation, it is
NonZeroU8
.
Required methods
fn as_nonzero(self) -> Option<Self::NonZero>
Converts the integer to its non-zero equivalent.
Examples
Trying to convert zero
let n: u16 = 0; assert_eq!(n.as_nonzero(), None);
Converting a non-zero value
let n: usize = 20; let non0n: NonZeroUsize = n.as_nonzero().expect("should result in a converted value"); assert_eq!(non0n.get(), 20);
unsafe fn as_nonzero_unchecked(self) -> Self::NonZero
Converts the integer to its non-zero equivalent without checking for zeroness.
This corresponds to the new_unchecked
function on the
corresponding NonZero type.