golang initialize map of maps code example

Example 1: go remove from map

m := map[string]string{"key1": "val1", "key2": "val2"}
delete(m, "key1")

Example 2: what is the use of map in golang

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In Go language, a map is a powerful, ingenious, and a versatile data structure. Golang Maps is a collection of unordered pairs of key-value. It is widely used because it provides fast lookups and values that can retrieve, update or delete with the help of keys. It is a reference to a hash table.