golangHow to get length of map
package main
func main() {
mp := make(map[string]string)
mp["name"] = "Joe"
mp["position"] = "president"
length := len(mp)
}ctrl + cpackage maindefault package declaration | make(map[string]string)initialize map with string keys and string values |
mp["name"]set value of | len(returns length of a given map |
lengthvariable will contain length value | |
Usage example
package main
func main() {
mp := make(map[string]string)
mp["name"] = "Joe"
mp["position"] = "president"
length := len(mp)
print(length)
}output
2