您可以为定义
+=运算符
Dictionary,例如
func += <K, V> (left: inout [K:V], right: [K:V]) { for (k, v) in right { left[k] = v } }
您可以为定义
+=运算符
Dictionary,例如
func += <K, V> (left: inout [K:V], right: [K:V]) { for (k, v) in right { left[k] = v } }