Add bounds to type params in Rust AST

2 files changed, 23 insertions, 0 deletions

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 5b1fe95..31b2c6c 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
@@ -135,6 +135,23 @@ public class RustWriterTests {
         assertThat(string, equalTo("type X<T1, T2> = Y;"));
     }
 
+    @Test
+    public void typeAliasWithBoundedTypeParam() throws IOException {
+        var rust = RustTypeAlias.arbitrary()
+            .withName(RustIdentifier.of("X"))
+            .addParam(RustTypeParam.arbitrary()
+                .withName(RustIdentifier.of("T1"))
+                .addBound(RustPath.of("B1"))
+                .addBound(RustPath.of("B2"))
+            )
+            .withType(RustPath.of("Y"))
+            .build();
+
+        var string = write(writer -> writer.writeItem(rust));
+
+        assertThat(string, equalTo("type X<T1: B1 + B2> = Y;"));
+    }
+
     // === Structs ===
 
     @Test
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustTypeParamMatcher.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustTypeParamMatcher.java
index 99e09bc..dc6eddc 100644
--- a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustTypeParamMatcher.java
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustTypeParamMatcher.java
@@ -36,6 +36,12 @@ public final class RustTypeParamMatcher implements org.zwobble.precisely.Matcher
         return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTypeParamMatcher(submatchers);
     }
 
+    public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTypeParamMatcher withBounds(org.zwobble.precisely.Matcher<? super java.util.List<org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPath>> bounds) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTypeParam>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("bounds", org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTypeParam::bounds, bounds));
+        return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTypeParamMatcher(submatchers);
+    }
+
     // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTypeParamMatcher body
     // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTypeParamMatcher body
 }