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export interface EffectAtom<T = unknown> { output: T }
export type Effect = EffectAtom[]
export interface PrintString<_ extends string> extends EffectAtom { }
export interface Print<_ extends any> extends EffectAtom { }
// interface Debug<_ extends string, T> extends EffectAtom<T> { }
export interface WriteFile<_Path extends string, _Content extends string> extends EffectAtom { }
export interface ReadFile<_Path extends string> extends EffectAtom<string> { }
export interface GetEnv<_Name extends string> extends EffectAtom<string> { }
export interface Program<Effs extends Effect, ExitCode extends number = 0> {
effects: Effs,
exitCode: ExitCode,
}
export interface Kind1<Inp = unknown, Out = unknown> {
input: Inp
return: Out
}
export interface ChainIO<Eff extends EffectAtom, Fn extends Kind1> extends EffectAtom {
input: Eff
chainTo: Fn
}
export interface PrintK extends Kind1<string | undefined> {
return: Print<this['input']>
}
export type main = Program<[
[1, 2, 3] extends infer Res ? Print<Res> : never,
Print<`wow: ${string} -> ${'helo'}`>,
ChainIO<GetEnv<"NODE_ENV">, PrintK>,
ChainIO<ReadFile<"./default.nix">, PrintK>,
]>
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