メモ interface Fooer { foo: number; } interface Barer { bar: string; } var AcceptFooer = (fooer: Fooer) => { console.log("Its foo is ", fooer.foo); } var AcceptBarer = (barer: Barer) => { console.log("Its bar is ", barer.bar); } var both =…

memo Go Playground package main import "log" func main() { m := make(map[string]string) m["exists"] = "みつかったでござる" // m["not_exists"] = "みつからない" v, ok := m["exists"] println(v, ok) v, ok = m["not_exists"] println(v, ok) // よ…