Comments (3)
tim-smart
commented on August 22, 2024
1
This is how you would nest tagged enums:
import { Data } from "effect"
type ServerError = Data.TaggedEnum<{
InternalError: { message: string }
}>
type HttpError = Data.TaggedEnum<{
ServerError: { error: ServerError }
}>
const { InternalError } = Data.taggedEnum<ServerError>()
const { ServerError } = Data.taggedEnum<HttpError>()
ServerError({ error: InternalError({ message: "oops" }) })from effect.
Clindbergh
commented on August 22, 2024
@ahrjarrett / @tim-smart Is there now a way to create nested taggedEnums? E.g.
export type ServerErrors = Data.TaggedEnum<{
BadGateway: {},
GatewayTimeout: {
timeout: number;
}
}>
export type HttpError = Data.TaggedEnum<{
NotFound: {};
ServerError: ServerErrors;
}>;
from effect.
ahrjarrett
commented on August 22, 2024
@Clindbergh It's been a minute since I worked on this, but IIRC the change implemented as part of #1521 was to show users a TypeError if they attempt to nest a TaggedEnum inside another TaggedEnum.
from effect.
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