Can golang map delete elements?

#Map is a built-in type in Go that binds keys and values ​​together. The corresponding value can be obtained by key.

How to create a map?

A map can be created by passing the types of keys and values ​​to the built-in function make. (Recommended learning: go) The syntax of

is:

make(map[KeyType]ValueType)

(Translator’s Note: The type of map is represented as map[KeyType]ValueType) For example:

personSalary := make(map[string]int)

delete () function

delete () function is used to delete elements of the collection, and the parameters are map and its corresponding key. Examples are as follows:

package main
import "fmt"
func main() {
    m := map[string]int{
        "a": 1,
        "b": 2,
        "c": 3,
    }
    fmt.Println("Deleting values")
    name, ok := m["a"]
    fmt.Println(name,ok)
    delete(m,"a")
    name,ok = m["a"]
    fmt.Println(name,ok)
}

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