Function UniqueTypes

type.go:385–398

UniqueTypes returns the set of unique Types in types in sorted order. types will be sorted and deduplicated in place.

(types []Type)

// UniqueTypes returns the set of unique Types in types in sorted
// order. types will be sorted and deduplicated in place.
func UniqueTypes(types []Type) []Type {
	sort.SliceStable(types, func(i, j int) bool {
		return CompareTypes(types[i], types[j]) < 0
	})
	out := types[:0]
	var prev Type
	for _, typ := range types {
		if typ != prev {
			out = append(out, typ)
			prev = typ
		}
	}
	return out
}

func CompareTypes(a, b Type) int {
	aID, bID := a.ID(), b.ID()