From b7ea6f45e9b2b967fffdc6bc1e21ffd8ebf611e8 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Tue, 14 Jul 2026 22:06:37 +0100
Subject: Add visibility to Rust AST

---
 .../compiler/output/lang/rust/RustWriterTests.java          | 13 +++++++++++++
 .../compiler/output/lang/rust/ast/RustFunctionMatcher.java  |  6 ++++++
 2 files changed, 19 insertions(+)

(limited to 'src/test/java/org/zwobble')

diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java
index 6900f83..d674346 100644
--- a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java
@@ -52,6 +52,19 @@ public class RustWriterTests {
             fn width();"""));
     }
 
+    @Test
+    public void functionWithExplicitVisibility() throws IOException {
+        var rust = RustFunction.arbitrary()
+            .withVisibility(RustVisibility.PUB)
+            .withName(new RustIdentifier("width"))
+            .build();
+
+        var string = write(writer -> writer.writeAssociatedItem(rust));
+
+        assertThat(string, equalTo("""
+            pub fn width();"""));
+    }
+
     @Test
     public void functionWithParams() throws IOException {
         var rust = RustFunction.arbitrary()
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustFunctionMatcher.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustFunctionMatcher.java
index acbc32c..1dcd068 100644
--- a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustFunctionMatcher.java
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustFunctionMatcher.java
@@ -28,6 +28,12 @@ public class RustFunctionMatcher implements org.zwobble.precisely.Matcher<java.l
         return org.zwobble.precisely.Matchers.instanceOf(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction.class, this.submatchers);
     }
 
+    public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionMatcher withVisibility(org.zwobble.precisely.Matcher<? super java.util.Optional<org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustVisibility>> visibility) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("visibility", org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction::visibility, visibility));
+        return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionMatcher(submatchers);
+    }
+
     public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunctionMatcher withName(org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifier> name) {
         var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction>>(this.submatchers);
         submatchers.add(org.zwobble.precisely.Matchers.has("name", org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustFunction::name, name));
-- 
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