mito src.cel
! stderr .
cmp stdout want.txt

-- src.cel --
{
	"single":   {"a": 1, "b": 2, "c": 3}.drop("b"),
	"list":     {"a": 1, "b": 2, "c": 3, "d": 4}.drop(["a", "c"]),
	"dot_path": {"a": [{"b": 1, "c": 2}]}.drop("a.b"),
}
-- want.txt --
{
	"dot_path": {
		"a": [
			{
				"c": 2
			}
		]
	},
	"list": {
		"b": 2,
		"d": 4
	},
	"single": {
		"a": 1,
		"c": 3
	}
}
