Improved function names

src/build/expression/Expression.go

@@ -71,28 +71,6 @@ func (expr *Expression) EachLeaf(call func(*Expression) error) error {
 	return nil
 }
 
-// EachOperation iterates through all the operations in the tree.
-func (expr *Expression) EachOperation(call func(*Expression) error) error {
-	if expr.IsLeaf() {
-		return nil
-	}
-
-	// Don't descend into the parameters of function calls
-	if expr.Token.Text() == "λ" {
-		return call(expr)
-	}
-
-	for _, child := range expr.Children {
-		err := child.EachOperation(call)
-
-		if err != nil {
-			return err
-		}
-	}
-
-	return call(expr)
-}
-
 // RemoveChild removes a child from the expression.
 func (expr *Expression) RemoveChild(child *Expression) {
 	for i, c := range expr.Children {