refactored data-types to reduce plugin sizes

builtin-string.go

@@ -10,6 +10,8 @@ import (
 	"strings"
 
 	"git.portale-stac.it/go-pkg/expr/kern"
+	"git.portale-stac.it/go-pkg/expr/types"
+	"git.portale-stac.it/go-pkg/expr/types/array"
 )
 
 const (
@@ -43,8 +45,8 @@ func joinStrFunc(ctx kern.ExprContext, name string, args map[string]any) (result
 		if v, exists := args[kern.ParamItem]; exists {
 			argv := v.([]any)
 			if len(argv) == 1 {
-				if ls, ok := argv[0].(*kern.ListType); ok {
-					result, err = doJoinStr(name, sep, NewListIterator(ls, nil))
+				if a, ok := argv[0].(*array.ListType); ok {
+					result, err = doJoinStr(name, sep, NewListIterator(a, nil))
 				} else if it, ok := argv[0].(kern.Iterator); ok {
 					result, err = doJoinStr(name, sep, it)
 				} else if s, ok := argv[0].(string); ok {
@@ -72,11 +74,11 @@ func subStrFunc(ctx kern.ExprContext, name string, args map[string]any) (result
 		return nil, kern.ErrWrongParamType(name, kern.ParamSource, kern.TypeString, args[kern.ParamSource])
 	}
 
-	if start, err = kern.ToGoInt(args[kern.ParamStart], name+"()"); err != nil {
+	if start, err = types.ToGoInt(args[kern.ParamStart], name+"()"); err != nil {
 		return
 	}
 
-	if count, err = kern.ToGoInt(args[kern.ParamCount], name+"()"); err != nil {
+	if count, err = types.ToGoInt(args[kern.ParamCount], name+"()"); err != nil {
 		return
 	}
 
@@ -194,11 +196,11 @@ func splitStrFunc(ctx kern.ExprContext, name string, args map[string]any) (resul
 	} else {
 		parts = []string{}
 	}
-	list := make(kern.ListType, len(parts))
+	a := make(array.ListType, len(parts))
 	for i, part := range parts {
-		list[i] = part
+		a[i] = part
 	}
-	result = &list
+	result = &a
 	return
 }