[core] Privatize various util headers (#4945)

1 files changed, 30 insertions, 0 deletions

diff --git a/src/mbgl/util/std.hpp b/src/mbgl/util/std.hpp
new file mode 100644
index 0000000000..bab5c1494d
--- /dev/null
+++ b/src/mbgl/util/std.hpp
@@ -0,0 +1,30 @@
+#ifndef MBGL_UTIL_STD
+#define MBGL_UTIL_STD
+
+#include <memory>
+#include <type_traits>
+#include <utility>
+
+namespace mbgl {
+namespace util {
+
+template <typename Container, typename ForwardIterator, typename Predicate>
+void erase_if(Container &container, ForwardIterator it, const ForwardIterator end, Predicate pred) {
+    while (it != end) {
+        if (pred(*it)) {
+            container.erase(it++);
+        } else {
+            ++it;
+        }
+    }
+}
+
+template <typename Container, typename Predicate>
+void erase_if(Container &container, Predicate pred) {
+    erase_if(container, container.begin(), container.end(), pred);
+}
+
+} // namespace util
+} // namespace mbgl
+
+#endif