providers/slice: Remove because sprig has lists

providers/slice/slice.go

@@ -1,54 +0,0 @@
-package slice
-
-import "reflect"
-import "html/template"
-import "git.tebibyte.media/sashakoshka/step"
-
-const hiddenPrefix = "."
-
-var _ step.FuncProvider = new(Provider)
-
-// Provider provides slice functions.
-type Provider struct {
-	
-}
-
-// Package fulfills the step.Provider interface.
-func (this *Provider) Package () string {
-	return "slice"
-}
-
-// FuncMap fulfills the step.FuncProvider interface.
-func (this *Provider) FuncMap () template.FuncMap {
-	return template.FuncMap {
-		"list":   funcList,
-		"append": funcAppend,
-	}
-}
-
-func funcList (items ...reflect.Value) (reflect.Value, error) {
-	if len(items) == 0 { return reflect.Value { }, nil }
-	ty := items[0].Type()
-	list := reflect.MakeSlice(ty, len(items), len(items))
-	for index, item := range items {
-		if item.Type().AssignableTo(ty) {
-			return reflect.Value { }, step.ErrTypeMismatch
-		}
-		dest := list.Index(index)
-		dest.Set(item)
-	}
-	return list, nil
-}
-
-func funcAppend (slice reflect.Value, items ...reflect.Value) (reflect.Value, error) {
-	if slice.Type().Kind() != reflect.Slice {
-		return reflect.Value { }, step.ErrTypeMismatch
-	}
-	if len(items) == 0 { return reflect.Value { }, nil }
-	ty := slice.Type().Elem()
-	end := slice.Len() + len(items)
-	list := reflect.MakeSlice(ty, end, end)
-	boundary := reflect.Copy(list, slice)
-	reflect.Copy(list.Slice(boundary, end), reflect.ValueOf(items))
-	return list, nil
-}