fix a bug with nested custom modifiers

closes #271

Author: kaikalii

changelog.md

@@ -5,6 +5,10 @@ Uiua is not yet stable.
 <!-- This version is not yet released.
 If you are reading this on the website, then these changes are live here. -->
 
+## 0.4.1 - 2023-11-30
+# Interpreter
+- Fix a bug with nested custom modifiers
+
 ## 0.4.0 - 2023-11-30
 ### Language
 - [`windows` `◫`](https://uiua.org/docs/windows) can now take negative window sizes

src/compile.rs

@@ -627,7 +627,9 @@ impl Uiua {
                         Signature::new(0, 1),
                     )));
                 }
-                Global::Func { f, sig_declared } if call && !sig_declared => {
+                Global::Func { f, sig_declared }
+                    if call && !sig_declared && count_temp_functions(&f.instrs) == 0 =>
+                {
                     self.extend_instrs(f.instrs.clone())
                 }
                 Global::Func { f, .. } => {

tests/units.ua

@@ -161,6 +161,10 @@ ParseOrZero ← ⍣parse⋅⋅0
 
 ⍤⊃⋅∘≍ [⊙(+⊙(-⊙×)) 1 2 3 4 5] [⊙(+|-|×) 1 2 3 4 5]
 
+F! ← ^1 5
+G! ← F!^1
+⍤⊃⋅∘≍ ¯5 G!¯
+
 # Experimental!
 ⍤⊃⋅∘≍ 120 ↬((|1 ×↫-1.|1)<2.) 5
 ⍤⊃⋅∘≍ 8 ↬((+∩(|2 ↫ -)1,2|1)<2.) 5