From f222af6b5e38fcbf876c3213016e298bf590b60a Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sat, 18 Jul 2026 18:58:24 +0100
Subject: Extract tryIntoOrUnwrap()

---
 .../rusttransient0/RustTransient0Generator.java    | 41 ++++++++++------------
 1 file changed, 18 insertions(+), 23 deletions(-)

(limited to 'src/main')

diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/generators/rusttransient0/RustTransient0Generator.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/generators/rusttransient0/RustTransient0Generator.java
index f5e1f25..6d24c0a 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/generators/rusttransient0/RustTransient0Generator.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/generators/rusttransient0/RustTransient0Generator.java
@@ -219,20 +219,11 @@ public class RustTransient0Generator implements Generator {
                     generateEncode(
                         new RustPrefixExpression(
                             RustPrefixOperator.BORROW,
-                            methodCall(
-                                methodCall(
-                                    methodCall(
-                                        RustPath.of(VALUE_NAME),
-                                        RustIdentifier.of("len"),
-                                        List.of()
-                                    ),
-                                    RustIdentifier.of("try_into"),
-                                    List.of()
-                                ),
-                                // TODO: remove unwrap
-                                RustIdentifier.of("unwrap"),
+                            tryIntoOrUnwrap(methodCall(
+                                RustPath.of(VALUE_NAME),
+                                RustIdentifier.of("len"),
                                 List.of()
-                            )
+                            ))
                         ),
                         NativeTypes.INT_64
                     ),
@@ -549,16 +540,7 @@ public class RustTransient0Generator implements Generator {
         var bytes = RustIdentifier.of("bytes");
 
         // TODO: extract into let
-        var lengthUsize = methodCall(
-            methodCall(
-                length,
-                RustIdentifier.of("try_into"),
-                List.of()
-            ),
-            // TODO: remove unwrap
-            RustIdentifier.of("unwrap"),
-            List.of()
-        );
+        var lengthUsize = tryIntoOrUnwrap(length);
 
         return new RustBlockExpression(
             List.of(
@@ -613,4 +595,17 @@ public class RustTransient0Generator implements Generator {
             args
         );
     }
+
+    private RustExpression tryIntoOrUnwrap(RustExpression value) {
+        return methodCall(
+            methodCall(
+                value,
+                RustIdentifier.of("try_into"),
+                List.of()
+            ),
+            // TODO: remove unwrap
+            RustIdentifier.of("unwrap"),
+            List.of()
+        );
+    }
 }
-- 
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