Conditionally Support CustomStringConvertible on Result

Signed-off-by: Will Hawkins <hawkinsw@obs.cr>
2026-01-30 08:30:47 -05:00
parent 27332870d9
commit 23b775bf4f
2 changed files with 59 additions and 2 deletions
@@ -0,0 +1,44 @@
+// p4rse, Copyright 2026, Will Hawkins
+//
+// This file is part of p4rse.
+
+// This file is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+import Foundation
+import P4
+import Macros
+import SwiftTreeSitter
+import Testing
+import TreeSitter
+import TreeSitterP4
+
+@testable import Parser
+
+struct NotStringConvertible {}
+
+struct StringConvertible: CustomStringConvertible {
+    public var description: String {
+        return "CONVERTED"
+    }
+}
+
+@Test func test_result_type_description_not_convertible() async throws {
+    let result: Result<NotStringConvertible> = Result.Ok(NotStringConvertible());
+    #expect(result.description == "Ok")
+}
+
+@Test func test_result_type_description_convertible() async throws {
+    let result: Result<StringConvertible> = Result.Ok(StringConvertible());
+    #expect(result.description == "CONVERTED")
+}