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@mobily/ts-belt

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🔧 Fast, modern, and practical utility library for FP in TypeScript.

github.com/mobily/ts-belt

mobily/ts-belt

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/** Folds a boolean value into a value of a different type, using a function for the `true` and `false` cases. */ export declare function ifElse<A>(value: boolean, truthyFn: () => A, falsyFn: () => A): A; export declare function ifElse<A>(truthyFn: () => A, falsyFn: () => A): (value: boolean) => A; /** Negates the given boolean. */ export declare function inverse(value: boolean): boolean; /** Alias for inverse. */ export declare function not(value: boolean): boolean; /** Combines two boolean using `AND` → `a && b`. */ export declare function and(b: boolean): (a: boolean) => boolean; export declare function and(a: boolean, b: boolean): boolean; /** Combines two boolean using `OR` → `a || b`. */ export declare function or(b: boolean): (a: boolean) => boolean; export declare function or(a: boolean, b: boolean): boolean; /** Combines two booleans using `NAND` → `!(a && b)`. */ export declare function nand(b: boolean): (a: boolean) => boolean; export declare function nand(a: boolean, b: boolean): boolean; /** Combines two booleans using `NOR` → `!(a || b)`. */ export declare function nor(b: boolean): (a: boolean) => boolean; export declare function nor(a: boolean, b: boolean): boolean; /** Combines two booleans using `XOR` → `(!a && b) || (a && !b)`. */ export declare function xor(b: boolean): (a: boolean) => boolean; export declare function xor(a: boolean, b: boolean): boolean; /** Combines two booleans using `XNOR` → `!xor(a, b)`. */ export declare function xnor(b: boolean): (a: boolean) => boolean; export declare function xnor(a: boolean, b: boolean): boolean; /** Combines two booleans using an implication (`!a || b`). */ export declare function implies(b: boolean): (a: boolean) => boolean; export declare function implies(a: boolean, b: boolean): boolean;