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=== tests/cases/compiler/ramdaToolsNoInfinite.ts ===
// All the following types are explained here:
// https://medium.freecodecamp.org/typescript-curry-ramda-types-f747e99744ab
// https://github.com/pirix-gh/medium/blob/master/types-curry-ramda/src/index.ts
declare namespace Tools {
type Head<T extends any[]> =
>Head : Head<T>
T extends [any, ...any[]]
? T[0]
: never;
type Tail<T extends any[]> =
>Tail : Tail<T>
((...t: T) => any) extends ((_: any, ...tail: infer TT) => any)
>t : T
>_ : any
>tail : TT
? TT
: [];
type HasTail<T extends any[]> =
>HasTail : HasTail<T>
T extends ([] | [any])
? false
>false : false
: true;
>true : true
type Last<T extends any[]> = {
>Last : Last<T>
0: Last<Tail<T>>;
>0 : Last<Tail<T>>
1: Head<T>;
>1 : Head<T>
}[
HasTail<T> extends true
>true : true
? 0
: 1
];
type Length<T extends any[]> =
>Length : Length<T>
T['length'];
type Prepend<E, T extends any[]> =
>Prepend : [head: E, ...args: T]
((head: E, ...args: T) => any) extends ((...args: infer U) => any)
>head : E
>args : T
>args : U
? U
: T;
type Drop<N extends number, T extends any[], I extends any[] = []> = {
>Drop : Drop<N, T, I>
0: Drop<N, Tail<T>, Prepend<any, I>>;
>0 : Drop<N, Tail<T>, [head: any, ...args: I]>
1: T;
>1 : T
}[
Length<I> extends N
? 1
: 0
];
type Cast<X, Y> = X extends Y ? X : Y;
>Cast : Cast<X, Y>
type Pos<I extends any[]> =
>Pos : Pos<I>
Length<I>;
type Next<I extends any[]> =
>Next : [head: any, ...args: I]
Prepend<any, I>;
type Prev<I extends any[]> =
>Prev : Prev<I>
Tail<I>;
type Iterator<Index extends number = 0, From extends any[] = [], I extends any[] = []> = {
>Iterator : Iterator<Index, From, I>
0: Iterator<Index, Next<From>, Next<I>>;
>0 : Iterator<Index, [head: any, ...args: From], [head: any, ...args: I]>
1: From;
>1 : From
}[
Pos<I> extends Index
? 1
: 0
];
type Reverse<T extends any[], R extends any[] = [], I extends any[] = []> = {
>Reverse : Reverse<T, R, I>
0: Reverse<T, Prepend<T[Pos<I>], R>, Next<I>>;
>0 : Reverse<T, [head: T[Pos<I>], ...args: R], [head: any, ...args: I]>
1: R;
>1 : R
}[
Pos<I> extends Length<T>
? 1
: 0
];
type Concat<T1 extends any[], T2 extends any[]> =
>Concat : Concat<T1, T2>
Reverse<Reverse<T1> extends infer R ? Cast<R, any[]> : never, T2>;
type Append<E, T extends any[]> =
>Append : Append<E, T>
Concat<T, [E]>;
type ValueOfRecord<R> = R extends Record<any, infer T> ? T : never;
>ValueOfRecord : ValueOfRecord<R>
}
declare namespace R {
export type Placeholder = { __placeholder: void };
>Placeholder : { __placeholder: void; }
>__placeholder : void
}
declare namespace Curry {
type GapOf<T1 extends any[], T2 extends any[], TN extends any[], I extends any[]> =
>GapOf : GapOf<T1, T2, TN, I>
T1[Tools.Pos<I>] extends R.Placeholder
>Tools : any
>R : any
? Tools.Append<T2[Tools.Pos<I>], TN>
>Tools : any
>Tools : any
: TN;
interface GapsOfWorker<T1 extends any[], T2 extends any[], TN extends any[] = [], I extends any[] = []> {
0: GapsOf<T1, T2, GapOf<T1, T2, TN, I> extends infer G ? Tools.Cast<G, any[]> : never, Tools.Next<I>>;
>0 : GapsOf<T1, T2, GapOf<T1, T2, TN, I> extends infer G ? Tools.Cast<G, any[]> : never, [head: any, ...args: I]>
>Tools : any
>Tools : any
1: Tools.Concat<TN, Tools.Drop<Tools.Pos<I>, T2> extends infer D ? Tools.Cast<D, any[]> : never>;
>1 : Tools.Concat<TN, Tools.Drop<Tools.Pos<I>, T2, []> extends infer D ? Tools.Cast<D, any[]> : never>
>Tools : any
>Tools : any
>Tools : any
>Tools : any
}
type GapsOf<T1 extends any[], T2 extends any[], TN extends any[] = [], I extends any[] = []> = GapsOfWorker<T1, T2, TN, I>[
>GapsOf : GapsOf<T1, T2, TN, I>
Tools.Pos<I> extends Tools.Length<T1>
>Tools : any
>Tools : any
? 1
: 0
];
type PartialGaps<T extends any[]> = {
>PartialGaps : PartialGaps<T>
[K in keyof T]?: T[K] | R.Placeholder
>R : any
};
type CleanedGaps<T extends any[]> = {
>CleanedGaps : CleanedGaps<T>
[K in keyof T]: NonNullable<T[K]>
};
type Gaps<T extends any[]> = CleanedGaps<PartialGaps<T>>;
>Gaps : CleanedGaps<PartialGaps<T>>
type Curry<F extends ((...args: any) => any)> =
>Curry : Curry<F>
>args : any
<T extends any[]>(...args: Tools.Cast<Tools.Cast<T, Gaps<Parameters<F>>>, any[]>) =>
>args : Tools.Cast<Tools.Cast<T, CleanedGaps<PartialGaps<Parameters<F>>>>, any[]>
>Tools : any
>Tools : any
GapsOf<T, Parameters<F>> extends [any, ...any[]]
? Curry<(...args: GapsOf<T, Parameters<F>> extends infer G ? Tools.Cast<G, any[]> : never) => ReturnType<F>>
>args : GapsOf<T, Parameters<F>, [], []> extends infer G ? Tools.Cast<G, any[]> : never
>Tools : any
: ReturnType<F>;
}
|
