feat: reducer, but doesn`t work

2025-12-25 00:30:15 -05:00
parent 2c3ce9baf7
commit d5999e8e1c
15 changed files with 228 additions and 150 deletions
--- a/pkg/lambda/rename.go
+++ b/pkg/lambda/rename.go
@@ -0,0 +1,19 @@
+package lambda
+
+func Rename(e Expression, target string, substitute string) {
+	switch e := e.(type) {
+	case *Variable:
+		if e.Value == target {
+			e.Value = substitute
+		}
+	case *Abstraction:
+		if e.Parameter == target {
+			e.Parameter = substitute
+		}
+
+		Rename(e.Body, target, substitute)
+	case *Application:
+		Rename(e.Abstraction, target, substitute)
+		Rename(e.Argument, target, substitute)
+	}
+}