Choose a value x from map m.m must not be empty. Ignore the keys.
func pick[K comparable, V any](m map[K]V) V { k := rand.Intn(len(m)) i := 0 for _, x := range m { if i == k { return x } i++ } panic("unreachable") }
import "math/rand"
func pick(m map[K]V) V { k := rand.Intn(len(m)) for _, x := range m { if k == 0 { return x } k-- } panic("unreachable") }
func pick(m map[K]V) V { k := rand.Intn(len(m)) i := 0 for _, x := range m { if i == k { return x } i++ } panic("unreachable") }
import "sync" var mu sync.RWMutex func pick(m map[int]any) any { mu.RLock() defer mu.RUnlock() for _, v := range m { return v } return nil }
import 'dart:math';
var x = m.values.toList()[Random().nextInt(m.length)];
def main(m) do m |> Map.values() |> Enum.random() end
// Objects const values = Object.values(m); // Maps const values = [...m.values()]; const x = values[~~(Math.random() * values.length)]
uses fgl;
x := m.Data[Random(m.Count)]);
@vals = values %m; $x = $vals[ int rand @vals ];
import random
x = random.choice(list(m.values()))
x = m.values.sample
use rand::prelude::*;
let mut rng = rand::thread_rng(); let x = m.values().choose(&mut rng).expect("m is empty");
No security, no password. Other people might choose the same nickname.