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(assoc m k v)Returns a new map.
m[k] = v;std::map<>::operator[] will either insert or update the value.
m[k] = v;m[k] = v;m[k] = vIf m[k] already exists, then it is overwritten.
m[k] = v;m is an Object.
In this case m is used as a map of key/value pairs.
In this case m is used as a map of key/value pairs.
m.set(k, v);m has type Map.
m.put(k, v);$m[$k] = $v;If m[k] already exists, then it is overwritten.
$m{$k} = $v;m[k] = vIf m[k] already exists, then it is overwritten.
m.update({k: v})m[k] = vm at: k put: v.