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include/tl/algorithm/contains.h

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+#pragma once
+
+#include "tl/detail/prologue.h"
+#include "tl/algorithm/find.h"
+#include <iterator>
+
+
+namespace tl
+{
+
+//////////////////////////////////////////////////////////////////////////
+
+template <typename C, typename T>
+bool contains(C& c, T&& value) noexcept
+{
+	return tl::find(c, std::forward<T>(value)) != tl::end(c);
+}
+
+template <typename C, typename T>
+bool contains(const C& c, T&& value) noexcept
+{
+	return tl::cfind(c, std::forward<T>(value)) != tl::end(c);
+}
+
+template <typename C, typename UnaryPredicate>
+bool contains_if(C& c, UnaryPredicate&& p) noexcept
+{
+	return tl::find_if(c, std::forward<UnaryPredicate>(p)) != tl::end(c);
+}
+
+template <typename C, typename UnaryPredicate>
+bool contains_if(const C& c, UnaryPredicate&& p) noexcept
+{
+	return tl::cfind_if(c, std::forward<UnaryPredicate>(p)) != tl::end(c);
+}
+
+//////////////////////////////////////////////////////////////////////////
+
+}