Trait num_traits::ops::checked::CheckedShr [] [src]

pub trait CheckedShr: Sized + Shr<u32, Output = Self> {
    fn checked_shr(&self, rhs: u32) -> Option<Self>;
}

Performs a right shift that returns None on overflow.

Required Methods

Shifts a number to the left, checking for overflow. If overflow happens, None is returned.

use num_traits::CheckedShr;

let x: u16 = 0x8000;

assert_eq!(CheckedShr::checked_shr(&x, 0),  Some(0x8000));
assert_eq!(CheckedShr::checked_shr(&x, 1),  Some(0x4000));
assert_eq!(CheckedShr::checked_shr(&x, 15), Some(0x0001));
assert_eq!(CheckedShr::checked_shr(&x, 16), None);

Implementations on Foreign Types

impl CheckedShr for u8
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impl CheckedShr for u16
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impl CheckedShr for u32
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impl CheckedShr for u64
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impl CheckedShr for usize
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impl CheckedShr for i8
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impl CheckedShr for i16
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impl CheckedShr for i32
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impl CheckedShr for i64
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impl CheckedShr for isize
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Implementors