Trait num_traits::cast::NumCast

pub trait NumCast: Sized + ToPrimitive {
    fn from<T: ToPrimitive>(n: T) -> Option<Self>;
}

An interface for casting between machine scalars.

Required methods

fn from<T: ToPrimitive>(n: T) -> Option<Self>

Creates a number from another value that can be converted into a primitive via the ToPrimitive trait. If the source value cannot be represented by the target type, then None is returned.

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Implementations on Foreign Types

impl NumCast for u8

fn from<N: ToPrimitive>(n: N) -> Option<u8>

impl NumCast for u16

fn from<N: ToPrimitive>(n: N) -> Option<u16>

impl NumCast for u32

fn from<N: ToPrimitive>(n: N) -> Option<u32>

impl NumCast for u64

fn from<N: ToPrimitive>(n: N) -> Option<u64>

impl NumCast for u128

fn from<N: ToPrimitive>(n: N) -> Option<u128>

impl NumCast for usize

fn from<N: ToPrimitive>(n: N) -> Option<usize>

impl NumCast for i8

fn from<N: ToPrimitive>(n: N) -> Option<i8>

impl NumCast for i16

fn from<N: ToPrimitive>(n: N) -> Option<i16>

impl NumCast for i32

fn from<N: ToPrimitive>(n: N) -> Option<i32>

impl NumCast for i64

fn from<N: ToPrimitive>(n: N) -> Option<i64>

impl NumCast for i128

fn from<N: ToPrimitive>(n: N) -> Option<i128>

impl NumCast for isize

fn from<N: ToPrimitive>(n: N) -> Option<isize>

impl NumCast for f32

fn from<N: ToPrimitive>(n: N) -> Option<f32>

impl NumCast for f64

fn from<N: ToPrimitive>(n: N) -> Option<f64>

impl<T: NumCast> NumCast for Wrapping<T>

fn from<U: ToPrimitive>(n: U) -> Option<Self>

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Implementors

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