unexport Func and Expr

1 files changed, 1 insertions, 1 deletions

diff --git a/eval.go b/eval.go
index 2b83b92..15e4f4e 100644
--- a/eval.go
+++ b/eval.go
@@ -238,7 +238,7 @@ func (ev *Evaluator) evalMaybeRule(ast *maybeRuleAST) {
 			if err != nil {
 				panic(fmt.Errorf("parse %s:%d %v", ev.filename, ev.lineno, err))
 			}
-			lexpr = Expr{lexpr, nexpr}
+			lexpr = expr{lexpr, nexpr}
 
 			buf = newBuf()
 			lexpr.Eval(buf, ev)