#include <type_traits>#include <QChar>
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Functions | |
| template<typename T > | |
| std::enable_if_t< std::is_integral_v< T >, int > | ternary_compare (const T a, const T b) |
| balanced ternary (three way) comparison More... | |
| int | ternary_compare (const QChar a, const QChar b) |
Function Documentation
◆ ternary_compare() [1/2]
template<typename T >
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inline |
balanced ternary (three way) comparison
- Parameters
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a any integral type b any integral type
- Returns
- -1, 0, or +1 if a is <, =, or > b, respectively This function is equivalent to C++20's operator <=> for integral types, returning an integer equivalent of std::strong_ordering.
Balance ternary comparison is useful for creating an ordering function for composite types, removing a double comparison of equality and a separate comparison for less than. Hopefully, the compiler will superoptimize this into a single, branchless comparison.
Definition at line 23 of file ternarycompare.h.
◆ ternary_compare() [2/2]
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inline |
Definition at line 30 of file ternarycompare.h.
