diff --git a/src/instructions/mod.rs b/src/instructions/mod.rs
index 7bb7b60..1a42239 100644
--- a/src/instructions/mod.rs
+++ b/src/instructions/mod.rs
@@ -216,7 +216,9 @@ pub mod macros {
                     if in_stack_len < $fn_arity || aux0_stack_len < $aux0_arity || aux1_stack_len < $aux1_arity {
                         return;
                     }
-                    if $aux0_type == $aux1_type {
+                    // This is crazy jank, not meant for use in actual code :)
+                    // https://doc.rust-lang.org/std/any/fn.type_name.html
+                    if std::any::type_name::<$aux0_type>() == std::any::type_name::<$aux1_type>() {
                         if aux0_stack_len + aux1_stack_len < $aux0_arity + $aux1_arity {
                             return;
                         }
@@ -228,7 +230,7 @@ pub mod macros {
                         aux1_inputs.push(state.$aux1_stack[aux1_stack_len - n].clone());
                     }
                     for n in 1..=$aux0_arity {
-                        aux0_inputs.push(state.$aux0_stack[aux0_stack_len - n].clone());
+                        aux0_inputs.push(state.$aux0_stack[aux0_stack_len - $aux1_arity - n].clone());
                     }
                     for n in 1..=$fn_arity {
                         inputs.push(state.$in_stack[in_stack_len - n].clone());
diff --git a/src/instructions/vector.rs b/src/instructions/vector.rs
index d808a65..860e54f 100644
--- a/src/instructions/vector.rs
+++ b/src/instructions/vector.rs
@@ -804,7 +804,7 @@ where
 {
     let mut temp_vec = vals[0].clone();
     let idx = bounded_idx(aux1[0], temp_vec.len());
-    temp_vec.insert(idx, aux0[idx].clone());
+    temp_vec.insert(idx, aux0[0].clone());
     Some(temp_vec)
 }
 make_instruction_aux2!(
@@ -1323,11 +1323,14 @@ mod tests {
     }
 
     #[test]
-    fn set_n_test() {
+    fn set_nth_test() {
         let mut test_state = EMPTY_STATE;
 
         test_state.vector_int = vec![vec![0, 1, 2, 3, 4, 5]];
         test_state.int = vec![99, 1];
         vector_int_set_nth(&mut test_state);
+        assert_eq!(vec![vec![0, 99, 1, 2, 3, 4, 5]], test_state.vector_int);
+
+        // Write more tests tmo!
     }
 }
diff --git a/src/main.rs b/src/main.rs
index f3a87a1..ab3a002 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,4 @@
+use crate::push::state::{EMPTY_STATE, PushState};
 use instructions::utils::NumericTrait;
 use rust_decimal::MathematicalOps;
 use rust_decimal::prelude::*;
@@ -40,7 +41,14 @@ fn main() {
     //let res = 3 % 2;
     //println!("res is {res}");
 
-    let mut test_vec = vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
-    test_vec.drain(..15);
-    println!("{:?}", test_vec);
+    //let mut test_vec = vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
+    //test_vec.drain(..15);
+    //println!("{:?}", test_vec);
+
+    //let test_state = EMPTY_STATE;
+    //println!("{}", test_state.int == test_state.boolean);
+    println!(
+        "{}",
+        std::any::type_name::<PushState>() == std::any::type_name::<PushState>()
+    );
 }