std::map<Key,T,Compare,Allocator>::contains From cppreference.com <cpp |container |map boolcontains(constKey&key)const; (1)(since C++20) template<classK> boolcontains(constK&x)const; (2)(since C++20) 1)Checks if there is an element with key equivalent tokeyin the container. ...
robin-map - Fast hash map and hash set using robin hood hashing. [MIT] sparsepp - A fast, memory efficient hash map for C++. [BSD 3-clause] st_tree - A fast and flexible c++ template class for tree data structures. [Apache-2.0] svector - Compact SVO optimized vector for C++17 or...
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publicclassListMapextendsHashMap { privateList list; publicListMap() { super(); this.list =newArrayList(); } publicObject put(Object key,Object value) { if(list.contains(key)) { list.remove(key); } this.list.add(key); returnsuper.put(key,value); } publicObject getKey(inti) { return...
Checks if the container has no elements, i.e. whetherbegin()==end(). Parameters (none) Return value trueif the container is empty,falseotherwise. Complexity Constant. Example The following code usesemptyto check if astd::unordered_map<int,int>contains any elements: ...
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If the value is less than 1 or greater than 100, the option is ignored. The default is 8. -fdebug-cpp This option is only useful for debugging GCC. When used with -E, dumps debugging information about location maps. Every token in the output is preceded by the dump of the map its...
In scatter, the first phase consists of using thescatter_mapto determine whether stringiin the output will come fromdestinationor fromscatter_valuesand use the corresponding size(s) to materialize the offsets column and determine the size of the output. Then, in the second phase, sufficient stor...
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