What is a predicate?

Question

Being a hobbyist coder, I\'m lacking some fundamental knowledge. For the last couple days I\'ve been reading some stuff and the word \"predicate\" keeps reappearing. I\'d ve

Answer 1

From C++ Primer 5th (§10.3.1):

A predicate is an expression that can be called and that returns a value that can be used as a condition.

Also from chapter Defined Terms section:

predicate : Function that returns a type that can be converted to bool.