From 2fea9777d698ac0a8a4c6b103d35aa57bcc1ad8a Mon Sep 17 00:00:00 2001
From: PaddiM8 <bakk@tuta.io>
Date: Thu, 20 Jul 2023 00:34:04 +0200
Subject: [PATCH] Fix `f(x) = x^x` not working, closing #117

---
 kalk/src/analysis.rs | 5 ++++-
 tests/basics.kalker  | 4 +++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/kalk/src/analysis.rs b/kalk/src/analysis.rs
index f2ccfa0..c23db08 100644
--- a/kalk/src/analysis.rs
+++ b/kalk/src/analysis.rs
@@ -315,7 +315,10 @@ fn analyse_binary(
                 Identifier::from_full_name("transpose"),
                 vec![analyse_expr(context, left)?],
             )),
-            (Expr::Var(identifier), right) => analyse_var(context, identifier, None, Some(right)),
+            (Expr::Var(identifier), right) => {
+                let right = analyse_expr(context, right)?;
+                analyse_var(context, identifier, None, Some(right))
+            },
             (left, right) => Ok(Expr::Binary(
                 Box::new(analyse_expr(context, left)?),
                 TokenKind::Power,
diff --git a/tests/basics.kalker b/tests/basics.kalker
index a2d5452..24bd943 100644
--- a/tests/basics.kalker
+++ b/tests/basics.kalker
@@ -1,5 +1,7 @@
 x = 2
 y = 3
 f(x) = 2x(x - 3)(y + 2)
+g(x) = x^x
 
-2f(f(x) + y) * 2 = 13600
\ No newline at end of file
+2f(f(x) + y) * 2 = 13600 and
+g(2) = 4