builtin-string.go: fix return type of strLower() and strUpper()

2025-11-15 06:18:38 +01:00
1 changed files with 2 additions and 2 deletions
--- a/builtin-string.go
+++ b/builtin-string.go
@ -255,11 +255,11 @@ func ImportStringFuncs(ctx ExprContext) {
 		NewFuncParamFlag(strParamOther, PfRepeat),
 	})
-	ctx.RegisterFunc("strUpper", NewGolangFunctor(upperStrFunc), TypeBoolean, []ExprFuncParam{
+	ctx.RegisterFunc("strUpper", NewGolangFunctor(upperStrFunc), TypeString, []ExprFuncParam{
 		NewFuncParam(ParamSource),
 	})
-	ctx.RegisterFunc("strLower", NewGolangFunctor(lowerStrFunc), TypeBoolean, []ExprFuncParam{
+	ctx.RegisterFunc("strLower", NewGolangFunctor(lowerStrFunc), TypeString, []ExprFuncParam{
 		NewFuncParam(ParamSource),
 	})
 }