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NumExt

creusot_std::std::num

Trait NumExt 

Source 
pub trait NumExt {
    // Required methods
    fn leading_zeros_logic(self) -> u32;
    fn trailing_zeros_logic(self) -> u32;
    fn leading_ones_logic(self) -> u32;
    fn trailing_ones_logic(self) -> u32;
}

Required Methods§

Source

fn leading_zeros_logic(self) -> u32

logic ⚠

Source

fn trailing_zeros_logic(self) -> u32

logic ⚠

Source

fn leading_ones_logic(self) -> u32

logic ⚠

Source

fn trailing_ones_logic(self) -> u32

logic ⚠

Dyn Compatibility§

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types§

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impl NumExt for u8

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fn leading_zeros_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result != $type::BITS) == (self >> ($type::BITS - result - 1u32) == $one)

ensures 

(result == $type::BITS) == (self == $zero)

Source§

fn trailing_zeros_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result != $type::BITS) == (self << ($type::BITS - result - 1u32) == $one << ($type::BITS - 1u32))

ensures 

(result == $type::BITS) == (self == $zero)

Source§

fn leading_ones_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result != $type::BITS) == (!self >> ($type::BITS - result - 1u32) == $zero)

ensures 

(result == $type::BITS) == (self == $type::MAX)

Source§

fn trailing_ones_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result == $type::BITS) == (!self << ($type::BITS - result - 1u32) == $one << ($type::BITS - 1u32))

ensures 

(result == $type::BITS) == (self == $type::MAX)

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impl NumExt for u16

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fn leading_zeros_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result != $type::BITS) == (self >> ($type::BITS - result - 1u32) == $one)

ensures 

(result == $type::BITS) == (self == $zero)

Source§

fn trailing_zeros_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result != $type::BITS) == (self << ($type::BITS - result - 1u32) == $one << ($type::BITS - 1u32))

ensures 

(result == $type::BITS) == (self == $zero)

Source§

fn leading_ones_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result != $type::BITS) == (!self >> ($type::BITS - result - 1u32) == $zero)

ensures 

(result == $type::BITS) == (self == $type::MAX)

Source§

fn trailing_ones_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result == $type::BITS) == (!self << ($type::BITS - result - 1u32) == $one << ($type::BITS - 1u32))

ensures 

(result == $type::BITS) == (self == $type::MAX)

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impl NumExt for u32

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fn leading_zeros_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result != $type::BITS) == (self >> ($type::BITS - result - 1u32) == $one)

ensures 

(result == $type::BITS) == (self == $zero)

Source§

fn trailing_zeros_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result != $type::BITS) == (self << ($type::BITS - result - 1u32) == $one << ($type::BITS - 1u32))

ensures 

(result == $type::BITS) == (self == $zero)

Source§

fn leading_ones_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result != $type::BITS) == (!self >> ($type::BITS - result - 1u32) == $zero)

ensures 

(result == $type::BITS) == (self == $type::MAX)

Source§

fn trailing_ones_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result == $type::BITS) == (!self << ($type::BITS - result - 1u32) == $one << ($type::BITS - 1u32))

ensures 

(result == $type::BITS) == (self == $type::MAX)

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impl NumExt for u64

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fn leading_zeros_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result != $type::BITS) == (self >> ($type::BITS - result - 1u32) == $one)

ensures 

(result == $type::BITS) == (self == $zero)

Source§

fn trailing_zeros_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result != $type::BITS) == (self << ($type::BITS - result - 1u32) == $one << ($type::BITS - 1u32))

ensures 

(result == $type::BITS) == (self == $zero)

Source§

fn leading_ones_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result != $type::BITS) == (!self >> ($type::BITS - result - 1u32) == $zero)

ensures 

(result == $type::BITS) == (self == $type::MAX)

Source§

fn trailing_ones_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result == $type::BITS) == (!self << ($type::BITS - result - 1u32) == $one << ($type::BITS - 1u32))

ensures 

(result == $type::BITS) == (self == $type::MAX)

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impl NumExt for u128

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fn leading_zeros_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result != $type::BITS) == (self >> ($type::BITS - result - 1u32) == $one)

ensures 

(result == $type::BITS) == (self == $zero)

Source§

fn trailing_zeros_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result != $type::BITS) == (self << ($type::BITS - result - 1u32) == $one << ($type::BITS - 1u32))

ensures 

(result == $type::BITS) == (self == $zero)

Source§

fn leading_ones_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result != $type::BITS) == (!self >> ($type::BITS - result - 1u32) == $zero)

ensures 

(result == $type::BITS) == (self == $type::MAX)

Source§

fn trailing_ones_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result == $type::BITS) == (!self << ($type::BITS - result - 1u32) == $one << ($type::BITS - 1u32))

ensures 

(result == $type::BITS) == (self == $type::MAX)

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impl NumExt for usize

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fn leading_zeros_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result != $type::BITS) == (self >> ($type::BITS - result - 1u32) == $one)

ensures 

(result == $type::BITS) == (self == $zero)

Source§

fn trailing_zeros_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result != $type::BITS) == (self << ($type::BITS - result - 1u32) == $one << ($type::BITS - 1u32))

ensures 

(result == $type::BITS) == (self == $zero)

Source§

fn leading_ones_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result != $type::BITS) == (!self >> ($type::BITS - result - 1u32) == $zero)

ensures 

(result == $type::BITS) == (self == $type::MAX)

Source§

fn trailing_ones_logic(self) -> u32

logic(opaque) ⚠

ensures 

result <= $type::BITS

ensures

(result == $type::BITS) == (!self << ($type::BITS - result - 1u32) == $one << ($type::BITS - 1u32))

ensures 

(result == $type::BITS) == (self == $type::MAX)

Implementors§