func zip(patterns []*ast.Pattern) ([]*ast.Pattern, []int) {
zipped := ast.Set(patterns)
ast.Sort(zipped)
indexes := make([]int, len(patterns))
for i, pattern := range patterns {
indexes[i] = ast.Index(zipped, pattern)
}
return zipped, indexes
}
func zip(patterns []*ast.Pattern) ([]*ast.Pattern, []int) {
set := ast.Set(patterns)
ast.Sort(set)
if index := ast.Index(set, zipIgnoreSet[0]); index != -1 {
set = ast.Remove(set, index)
}
if index := ast.Index(set, zipIgnoreSet[1]); index != -1 {
set = ast.Remove(set, index)
}
indexes := make([]int, len(patterns))
for i, pattern := range patterns {
index := ast.Index(set, pattern)
if index == -1 {
index = ast.Index(zipIgnoreSet, pattern)
index *= -1
index -= 1
}
indexes[i] = index
}
return set, indexes
}