Fix: Ignore non-brace groups in parse_for_loop

Author: lucidLuckylee

src/parse.rs

@@ -1,5 +1,6 @@
 use bitcoin::blockdata::opcodes::Opcode;
 use proc_macro2::{
+    Delimiter,
     Span, TokenStream,
     TokenTree::{self, *},
 };
@@ -99,7 +100,7 @@ where
 
     while let Some(for_token) = tokens.next() {
         match for_token {
-            Group(block) => {
+            Group(block) if block.delimiter() == Delimiter::Brace => {
                 let inner_block = block.stream();
                 escape.extend(quote! {
                     {

tests/test.rs

@@ -91,7 +91,7 @@ fn test_for_loop() {
     define_pushable!();
     let script = bitcoin_script! {
         for i in 0..3 {
-            for k in 0..3 {
+            for k in 0..(3 as u32) {
             OP_ADD
             { i }
             { k }