lab-development-imb/web/06/demos/09-maps.go

43 lines
575 B
Go

package main
import (
"fmt"
"maps"
)
func main() {
m := make(map[string]int)
m["k1"] = 7
m["k2"] = 13
fmt.Println("map:", m)
v1 := m["k1"]
fmt.Println("v1:", v1)
v3 := m["k3"]
fmt.Println("v3:", v3)
fmt.Println("len:", len(m))
// delete(m, "k2")
// fmt.Println("map:", m)
// clear(m)
// fmt.Println("map:", m)
wert, prs := m["k2"]
fmt.Println("prs:", prs)
fmt.Println("wert:", wert)
n := map[string]int{"foo": 1, "bar": 2}
fmt.Println("map:", n)
n2 := map[string]int{"foo": 1, "bar": 2}
if maps.Equal(n, n2) {
fmt.Println("n == n2")
}
}