Expand Gotlin language and tooling

internal/lang/pointer_test.go

@@ -0,0 +1,28 @@
+package lang
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestGenerateGoAddressOfExpression(t *testing.T) {
+	prog, err := Parse(`
+package demo
+
+import encoding.json
+
+fun decode(body: ByteSlice, target: Account) {
+    json.Unmarshal(body, &target)
+}
+`)
+	if err != nil {
+		t.Fatalf("parse failed: %v", err)
+	}
+	out, err := GenerateGo(prog)
+	if err != nil {
+		t.Fatalf("generation failed: %v", err)
+	}
+	if !strings.Contains(string(out), "json.Unmarshal(body, &target)") {
+		t.Fatalf("generated Go missing address-of expression:\n%s", out)
+	}
+}