fn testStringify(expected: []const u8, v: anytype, options: Options) !void
fn testStringify(expected: []const u8, v: anytype, options: Options) !void { var buffer: [4096]u8 = undefined; var w: Writer = .fixed(&buffer); try value(v, options, &w); try std.testing.expectEqualStrings(expected, w.buffered()); }