[
var a = Foo(bar, baz);
/// dont use a
Size: a a a
[
[
A
src/Telegram/Bot/API/Types.hs:436:1: error:
• No instance for (Monoid
(Language.Haskell.TH.Syntax.Q [Language.Haskell.TH.Syntax.Dec]))
arising from a use of ‘foldMap’
• In the expression:
foldMap
deriveJSON' [''User, ''Chat, ''Message, ''MessageEntity, ....]
|
436 | foldMap deriveJSON'
| ^^^^^^^^^^^^^^^^^^^^...A
[
A
A
[
A
template-haskell-2.17.0.0 заюзать foldMap, а для остальных — по-старинке[
A
DeriveAnyClass тут не поможет, посмотри на модуль Telegram.Bot.API.Internal.Utils[
A
[
A
import Data.Aeson.TH (deriveJSON)A
deriveJSON'[
[
