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(C++) Predicate

A predicate is a logical expression that evaluates to true or false, like in if-statements.

Examples

• Predicate example 1: ReplaceNegativeByZero
• In_regex

STL predicates

An overview of STL predicates names and their corresponding operator, from [0]. These predicates can be found in the header file functional.

• std::equal_to, operator==
• std::greater, operator>
• std::greater_equal, operator>=
• std::less, operator<
• std::less_equal, operator<=
• std::logical_and, operator&&
• std::logical_not, operator!
• std::logical_or, operator||
• std::not_equal_to, operator!=

References

Bjarne Stroustrup. The C++ Programming Language (3rd edition). 1997. ISBN: 0-201-88954-4. Chapter 18.4.2.1 : 'Overview of Predicates'

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