// maps_debug.vr — debug map keys function

fn main() {
	let person = { "name": "alice", "age": 30 }
	
	let k = keys(person)
	let n = len(k)
	println("len(k) = 2")
	
	if n > 0 {
		println("key0")
	}
	if n > 1 {
		println("key1")
	}
	
	assert n == 2
	println("keys OK")
}