fix a bug in try in array

Author: kaikalii

src/algorithm/mod.rs

@@ -556,6 +556,7 @@ pub fn try_(env: &mut Uiua) -> UiuaResult {
     let f = env.pop_function()?;
     let handler = env.pop_function()?;
     let f_sig = f.signature();
+    env.touch_array_stack(f_sig.args)?;
     let handler_sig = handler.signature();
     if env.stack_height() < f_sig.args {
         for i in 0..f_sig.args {

tests/units.ua

@@ -500,6 +500,7 @@ $$ _ line
 {"cat" "sand"} "dog" {"cat" "cats" "and" "sand" "dog"}
 ⍤⟜≍: {{"cat" "sand"} {"dog"} {""}} {⊙(∩▽⟜:≡°□⍚⍣(1°.⊙⊃↙↘⟜⧻|0⊙∘):¤)}
 ⍤⟜≍: [2 2] [⍣√⋅. 4 2]
+⍤⟜≍: [3] [⍣(⋅2⍤.0)3] 1
 
 F ← ⍣⟨⍤.$"_"|¯⟩⋅⋅∘