Be concise.
Be useful.
All contributions dictatorially edited by webmasters to match personal tastes.
Please do not paste any copyright violating resource.
Please try to avoid dependencies to third-party libraries and frameworks.
#include <iostream> #include <unordered_map>
int main()
{
// simple comparison demo
std::unordered_map<int,char> example = {{1,'a'},{2,'b'}};
size_t nElements = example.count(2);
if (nElements) {
std::cout << "Found " << nElements << " values." << '\n';
} else {
std::cout << "Not found\n";
}
}
using System.Collections.Generic;
_m.ContainsValue(_v)
import std.algorithm;
m.byValue.canFind(v);
m.containsValue(v);
Map.values(m) |> Enum.member?(v)
func containsValue(m map[K]T, v T) bool {
for _, x := range m {
if x == v {
return true
}
}
return false
}
elem v (elems m)
Object.values (m).indexOf (v) !== -1
import java.util.Map;
m.containsValue(v)
in_array($v, $m, true);
uses fgl;
m.IndexOfData(v) >= 0
print "Found it!" if exists $m{$v};
v in map.values()
m.value?(v)
use std::collections::BTreeMap;
let does_contain = m.values()
.any(|&val| *val == v);
!m.values.find(_ == v).isEmpty()