Commit 807d2eac authored by Ingo Klöcker's avatar Ingo Klöcker
Browse files

Add helper to check if all elements in a range satify a predicate

GnuPG-bug-id: 6115
parent 576de59a
......@@ -37,6 +37,16 @@ Container transformInPlace(Container &&c, UnaryOperation op)
return std::move(c);
}
/** Convenience helper for checking if the predicate @p p returns @c true
* for all elements in the range @p range. Returns @c true if the range is empty.
* Use ranges::all_of() instead if you can use C++20.
*/
template<typename InputRange, typename UnaryPredicate>
bool all_of(const InputRange &range, UnaryPredicate p)
{
return std::all_of(std::begin(range), std::end(range), p);
}
/** Convenience helper for checking if a @p range contains at least one element
* for which predicate @p p returns @c true. Returns @c false if @p range is
* empty.
......
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