containsValue method
override
Returns true if this map contains the given value
.
Returns true if any of the values in the map are equal to value
according to the ==
operator.
Implementation
bool containsValue(Object value) {
bool found = false;
int initialSplayCount = _splayCount;
bool visit(_SplayTreeMapNode node) {
while (node != null) {
if (node.value == value) return true;
if (initialSplayCount != _splayCount) {
throw new ConcurrentModificationError(this);
}
if (node.right != null && visit(node.right)) return true;
node = node.left;
}
return false;
}
return visit(_root);
}