fcppt.bit

Description

Bit operations.

This module provides safer bit operations, namely generating a shifted bit mask and testing a bit mask against a value.

Classes
class	fcppt::bit::mask< Type >
	A bit mask. More...

Typedefs
using	fcppt::bit::shift_count = unsigned
	The unsigned type representing a shift count.

Functions
template<typename Type, Type Mask>
constexpr fcppt::bit::mask< Type >	fcppt::bit::mask_c () noexcept
	A bit mask from an integral constant.
template<typename Type>
constexpr fcppt::bit::mask< Type >	fcppt::bit::shifted_mask (fcppt::bit::shift_count const _bits) noexcept
	A shifted mask.
template<typename Type, fcppt::bit::shift_count Bits> requires (Bits < std::numeric_limits<Type>::digits)
constexpr fcppt::bit::mask< Type >	fcppt::bit::shifted_mask_c () noexcept
	A constant shifted mask.
template<typename Type>
bool	fcppt::bit::test (Type const _value, fcppt::bit::mask< Type > const _mask) noexcept
	Tests a value against a bit mask.

Typedef Documentation

shift_count

using fcppt::bit::shift_count = unsigned

The unsigned type representing a shift count.

Function Documentation

mask_c()

template<typename Type, Type Mask>

fcppt::bit::mask< Type > fcppt::bit::mask_c ( )

constexprnoexcept

A bit mask from an integral constant.

shifted_mask()

template<typename Type>

fcppt::bit::mask< Type > fcppt::bit::shifted_mask ( fcppt::bit::shift_count const _bits )

constexprnoexcept

A shifted mask.

shifted_mask_c()

template<typename Type, fcppt::bit::shift_count Bits>
requires (Bits < std::numeric_limits<Type>::digits)

fcppt::bit::mask< Type > fcppt::bit::shifted_mask_c ( )

constexprnoexcept

A constant shifted mask.

test()

template<typename Type>

bool fcppt::bit::test ( Type const _value, fcppt::bit::mask< Type > const _mask )

inlinenoexcept

Tests a value against a bit mask.