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cppdraft/map/erasure.md

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+[map.erasure]
+
+# 23 Containers library [[containers]](./#containers)
+
+## 23.4 Associative containers [[associative]](associative#map.erasure)
+
+### 23.4.3 Class template map [[map]](map#erasure)
+
+#### 23.4.3.5 Erasure [map.erasure]
+
+[🔗](#lib:erase_if,map)
+
+`template<class Key, class T, class Compare, class Allocator, class Predicate>
+  typename map<Key, T, Compare, Allocator>::size_type
+    constexpr erase_if(map<Key, T, Compare, Allocator>& c, Predicate pred);
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/containers.tex#L12183)
+
+*Effects*: Equivalent to:auto original_size = c.size();for (auto i = c.begin(), last = c.end(); i != last; ) {if (pred(*i)) { i = c.erase(i); } else {++i; }}return original_size - c.size();