hasKey

fnbool hasKey(const(CfNode) * self, string key) @property @safe pure nothrow

Checks if an object contains the given key.

`self`	The node pointer to query
`key`	The key to look for

true if the key exists in the object, false otherwise.

fnbool hasKey(ref const CfNode self, string key) @property @safe pure nothrow

ditto