size

Returns the number of elements contained in the GenericSet.

Example: Return the number of stored entries:

public static int main (string[] args) {
	HashTable<int, string> table = new HashTable<int, string> (direct_hash, direct_equal);
	table.insert (0, "first string");
	table.insert (1, "second string");
	table.insert (2, "third string");

	// Output: ``3``
	print ("%u\n", table.size ());

	// Output: ``4``
	table.insert (3, "third string");
	print ("%u\n", table.size ());

	return 0;
}

valac --pkg glib-2.0 GLib.HashTable.size.vala

Parameters:

hash_table

a GenericSet

Returns:

the number of key/value pairs in the GenericSet.