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const std = @import("std");
const builtin = @import("builtin");
pub const GET = struct {
key: []const u8,
pub fn init(key: []const u8) GET {
return .{ .key = key };
}
pub const Redis = struct {
pub const Command = struct {
pub fn serialize(self: GET, comptime rootSerializer: type) void {
return rootSerializer.serializeCommand(.{ "GET", self.key });
}
};
};
};
pub fn isCommand(comptime T: type) bool {
const tid = @typeInfo(T);
return (tid == .Struct or tid == .Enum or tid == .Union) and
@hasDecl(T, "Redis") and @hasDecl(T.Redis, "Command");
}
pub const ArgSerializer = struct {
pub fn serializeCommand(command: anytype) void {
const CmdT = @TypeOf(command);
if (comptime isCommand(CmdT)) {
// COMMENTING THE NEXT LINE REMOVES THE ERROR
return CmdT.Redis.Command.serialize(command, ArgSerializer);
}
}
};
test "fixed" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_llvm and
builtin.cpu.arch == .aarch64 and builtin.os.tag == .windows) return error.SkipZigTest;
ArgSerializer.serializeCommand(GET.init("banana"));
}
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