util files moved form kern to util package

operator-assign.go

@@ -6,6 +6,7 @@ package expr
 
 import (
 	"git.portale-stac.it/go-pkg/expr/kern"
+	"git.portale-stac.it/go-pkg/expr/util"
 )
 
 //-------- assign term
@@ -84,7 +85,7 @@ func evalAssign(ctx kern.ExprContext, opTerm *term) (v any, err error) {
 				if info := functor.GetFunc(); info != nil {
 					ctx.RegisterFunc(leftTerm.Source(), info.Functor(), info.ReturnType(), info.Params())
 				} else if funcDef, ok := functor.(*exprFunctor); ok {
-					paramSpecs := kern.ForAll(funcDef.params, func(p kern.ExprFuncParam) kern.ExprFuncParam { return p })
+					paramSpecs := util.ForAll(funcDef.params, func(p kern.ExprFuncParam) kern.ExprFuncParam { return p })
 
 					ctx.RegisterFunc(leftTerm.Source(), functor, kern.TypeAny, paramSpecs)
 				} else {