util files moved form kern to util package

simple-store.go

@@ -9,6 +9,7 @@ import (
 	"slices"
 
 	"git.portale-stac.it/go-pkg/expr/kern"
+	"git.portale-stac.it/go-pkg/expr/util"
 	// "strings"
 )
 
@@ -61,8 +62,8 @@ func (ctx *SimpleStore) GetGlobal() (globalCtx kern.ExprContext) {
 func (ctx *SimpleStore) Clone() kern.ExprContext {
 	clone := &SimpleStore{
 		global:    ctx.global,
-		varStore:  kern.CloneFilteredMap(ctx.varStore, filterRefName),
-		funcStore: kern.CloneFilteredMap(ctx.funcStore, filterRefName),
+		varStore:  util.CloneFilteredMap(ctx.varStore, filterRefName),
+		funcStore: util.CloneFilteredMap(ctx.funcStore, filterRefName),
 	}
 	return clone
 }
@@ -138,7 +139,7 @@ func (ctx *SimpleStore) UnsafeSetVar(varName string, value any) {
 
 func (ctx *SimpleStore) SetVar(varName string, value any) {
 	// fmt.Printf("[%p] SetVar(%v, %v)\n", ctx, varName, value)
-	if allowedValue, ok := kern.FromGenericAny(value); ok {
+	if allowedValue, ok := util.FromGenericAny(value); ok {
 		ctx.varStore[varName] = allowedValue
 	} else {
 		panic(fmt.Errorf("unsupported type %T of value %v", value, value))