Trait num_traits::cast::NumCast

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

An interface for casting between machine scalars.

Required methods

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

Creates a number from another value that can be converted into a primitive via the ToPrimitive trait.

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Implementations on Foreign Types

impl NumCast for i128

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

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

fn from<U>(n: U) -> Option<Wrapping<T>> where
    U: ToPrimitive, 

impl NumCast for f64

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

impl NumCast for u8

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

impl NumCast for u16

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

impl NumCast for i32

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

impl NumCast for usize

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

impl NumCast for i64

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

impl NumCast for u128

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

impl NumCast for isize

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

impl NumCast for i16

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

impl NumCast for f32

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

impl NumCast for u32

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

impl NumCast for u64

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

impl NumCast for i8

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

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Implementors

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