Function Apply

vector/apply.go:11–30

Apply applies eval to vecs. If any element of vecs is a Dynamic, Apply rips vecs accordingly, applies eval to the ripped vectors, and stitches the results together into a Dynamic. If ripUnions is true, Apply also rips Unions.

(ripUnions bool, eval func(...Any) Any, vecs ...Any)

// results together into a Dynamic. If ripUnions is true, Apply also rips
// Unions.
func Apply(ripUnions bool, eval func(...Any) Any, vecs ...Any) Any {
	if ripUnions {
		for k, vec := range vecs {
			if union, ok := Under(vec).(*Union); ok {
				vecs[k] = union.Dynamic
			}
		}
	}
	d, ok := findDynamic(vecs)
	if !ok {
		return eval(defuse(vecs)...)
	}
	results := make([]Any, len(d.Values))
	for i, ripped := range rip(vecs, d) {
		if len(ripped) > 0 {
			results[i] = Apply(ripUnions, eval, ripped...)
		}
	}
	return stitch(d.Tags, results)
}

func findDynamic(vecs []Any) (*Dynamic, bool) {
	for _, vec := range vecs {