Modification
This section contains functions that modify an existing map.
Keep
Keep keeps only keys that are in the list.
Usage:
mapx.Keep(map[string]int{"a": 1, "b": 2}, "a") // map[string]int{"a": 1}
Delete
Delete removes keys from a map.
Usage:
mapx.Delete(map[string]int{"a": 1, "b": 2}, "a") // map[string]int{"b": 2}