sequence.ts

declare function sequence<A, B>(s: { [K in keyof A]: (b: B) => A[K] }): ((b: B) => A);//   [K in keyof S]: ()

const s = sequence({
  typography(theme: Theme) {
    return sequence({
      foo() {
        return theme.space[0].toString();
      }
    })(theme)
  }
})