| 1 | type __ = typeof curryPlaceholder;
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| 2 | interface CurriedFunction1<T1, R> {
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| 3 | (): CurriedFunction1<T1, R>;
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| 4 | (t1: T1): R;
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| 5 | }
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| 6 | interface CurriedFunction2<T1, T2, R> {
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| 7 | (): CurriedFunction2<T1, T2, R>;
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| 8 | (t1: T1): CurriedFunction1<T2, R>;
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| 9 | (t1: __, t2: T2): CurriedFunction1<T1, R>;
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| 10 | (t1: T1, t2: T2): R;
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| 11 | }
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| 12 | interface CurriedFunction3<T1, T2, T3, R> {
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| 13 | (): CurriedFunction3<T1, T2, T3, R>;
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| 14 | (t1: T1): CurriedFunction2<T2, T3, R>;
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| 15 | (t1: __, t2: T2): CurriedFunction2<T1, T3, R>;
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| 16 | (t1: T1, t2: T2): CurriedFunction1<T3, R>;
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| 17 | (t1: __, t2: __, t3: T3): CurriedFunction2<T1, T2, R>;
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| 18 | (t1: T1, t2: __, t3: T3): CurriedFunction1<T2, R>;
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| 19 | (t1: __, t2: T2, t3: T3): CurriedFunction1<T1, R>;
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| 20 | (t1: T1, t2: T2, t3: T3): R;
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| 21 | }
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| 22 | interface CurriedFunction4<T1, T2, T3, T4, R> {
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| 23 | (): CurriedFunction4<T1, T2, T3, T4, R>;
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| 24 | (t1: T1): CurriedFunction3<T2, T3, T4, R>;
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| 25 | (t1: __, t2: T2): CurriedFunction3<T1, T3, T4, R>;
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| 26 | (t1: T1, t2: T2): CurriedFunction2<T3, T4, R>;
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| 27 | (t1: __, t2: __, t3: T3): CurriedFunction3<T1, T2, T4, R>;
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| 28 | (t1: __, t2: __, t3: T3): CurriedFunction2<T2, T4, R>;
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| 29 | (t1: __, t2: T2, t3: T3): CurriedFunction2<T1, T4, R>;
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| 30 | (t1: T1, t2: T2, t3: T3): CurriedFunction1<T4, R>;
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| 31 | (t1: __, t2: __, t3: __, t4: T4): CurriedFunction3<T1, T2, T3, R>;
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| 32 | (t1: T1, t2: __, t3: __, t4: T4): CurriedFunction2<T2, T3, R>;
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| 33 | (t1: __, t2: T2, t3: __, t4: T4): CurriedFunction2<T1, T3, R>;
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| 34 | (t1: __, t2: __, t3: T3, t4: T4): CurriedFunction2<T1, T2, R>;
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| 35 | (t1: T1, t2: T2, t3: __, t4: T4): CurriedFunction1<T3, R>;
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| 36 | (t1: T1, t2: __, t3: T3, t4: T4): CurriedFunction1<T2, R>;
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| 37 | (t1: __, t2: T2, t3: T3, t4: T4): CurriedFunction1<T1, R>;
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| 38 | (t1: T1, t2: T2, t3: T3, t4: T4): R;
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| 39 | }
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| 40 | interface CurriedFunction5<T1, T2, T3, T4, T5, R> {
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| 41 | (): CurriedFunction5<T1, T2, T3, T4, T5, R>;
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| 42 | (t1: T1): CurriedFunction4<T2, T3, T4, T5, R>;
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| 43 | (t1: __, t2: T2): CurriedFunction4<T1, T3, T4, T5, R>;
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| 44 | (t1: T1, t2: T2): CurriedFunction3<T3, T4, T5, R>;
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| 45 | (t1: __, t2: __, t3: T3): CurriedFunction4<T1, T2, T4, T5, R>;
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| 46 | (t1: T1, t2: __, t3: T3): CurriedFunction3<T2, T4, T5, R>;
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| 47 | (t1: __, t2: T2, t3: T3): CurriedFunction3<T1, T4, T5, R>;
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| 48 | (t1: T1, t2: T2, t3: T3): CurriedFunction2<T4, T5, R>;
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| 49 | (t1: __, t2: __, t3: __, t4: T4): CurriedFunction4<T1, T2, T3, T5, R>;
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| 50 | (t1: T1, t2: __, t3: __, t4: T4): CurriedFunction3<T2, T3, T5, R>;
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| 51 | (t1: __, t2: T2, t3: __, t4: T4): CurriedFunction3<T1, T3, T5, R>;
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| 52 | (t1: __, t2: __, t3: T3, t4: T4): CurriedFunction3<T1, T2, T5, R>;
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| 53 | (t1: T1, t2: T2, t3: __, t4: T4): CurriedFunction2<T3, T5, R>;
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| 54 | (t1: T1, t2: __, t3: T3, t4: T4): CurriedFunction2<T2, T5, R>;
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| 55 | (t1: __, t2: T2, t3: T3, t4: T4): CurriedFunction2<T1, T5, R>;
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| 56 | (t1: T1, t2: T2, t3: T3, t4: T4): CurriedFunction1<T5, R>;
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| 57 | (t1: __, t2: __, t3: __, t4: __, t5: T5): CurriedFunction4<T1, T2, T3, T4, R>;
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| 58 | (t1: T1, t2: __, t3: __, t4: __, t5: T5): CurriedFunction3<T2, T3, T4, R>;
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| 59 | (t1: __, t2: T2, t3: __, t4: __, t5: T5): CurriedFunction3<T1, T3, T4, R>;
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| 60 | (t1: __, t2: __, t3: T3, t4: __, t5: T5): CurriedFunction3<T1, T2, T4, R>;
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| 61 | (t1: __, t2: __, t3: __, t4: T4, t5: T5): CurriedFunction3<T1, T2, T3, R>;
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| 62 | (t1: T1, t2: T2, t3: __, t4: __, t5: T5): CurriedFunction2<T3, T4, R>;
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| 63 | (t1: T1, t2: __, t3: T3, t4: __, t5: T5): CurriedFunction2<T2, T4, R>;
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| 64 | (t1: T1, t2: __, t3: __, t4: T4, t5: T5): CurriedFunction2<T2, T3, R>;
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| 65 | (t1: __, t2: T2, t3: T3, t4: __, t5: T5): CurriedFunction2<T1, T4, R>;
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| 66 | (t1: __, t2: T2, t3: __, t4: T4, t5: T5): CurriedFunction2<T1, T3, R>;
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| 67 | (t1: __, t2: __, t3: T3, t4: T4, t5: T5): CurriedFunction2<T1, T2, R>;
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| 68 | (t1: T1, t2: T2, t3: T3, t4: __, t5: T5): CurriedFunction1<T4, R>;
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| 69 | (t1: T1, t2: T2, t3: __, t4: T4, t5: T5): CurriedFunction1<T3, R>;
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| 70 | (t1: T1, t2: __, t3: T3, t4: T4, t5: T5): CurriedFunction1<T2, R>;
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| 71 | (t1: __, t2: T2, t3: T3, t4: T4, t5: T5): CurriedFunction1<T1, R>;
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| 72 | (t1: T1, t2: T2, t3: T3, t4: T4, t5: T5): R;
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| 73 | }
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| 74 | /**
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| 75 | * Creates a curried function that accepts a single argument.
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| 76 | * @param {(t1: T1) => R} func - The function to curry.
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| 77 | * @param {number=func.length} arity - The arity of func.
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| 78 | * @returns {CurriedFunction1<T1, R>} - Returns the new curried function.
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| 79 | * @example
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| 80 | * const greet = (name: string) => `Hello ${name}`;
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| 81 | * const curriedGreet = curry(greet);
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| 82 | * curriedGreet('John'); // => 'Hello John'
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| 83 | */
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| 84 | declare function curry<T1, R>(func: (t1: T1) => R, arity?: number): CurriedFunction1<T1, R>;
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| 85 | /**
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| 86 | * Creates a curried function that accepts two arguments.
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| 87 | * @param {(t1: T1, t2: T2) => R} func - The function to curry.
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| 88 | * @param {number=func.length} arity - The arity of func.
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| 89 | * @returns {CurriedFunction2<T1, T2, R>} - Returns the new curried function.
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| 90 | * @example
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| 91 | * const add = (a: number, b: number) => a + b;
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| 92 | * const curriedAdd = curry(add);
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| 93 | * curriedAdd(1)(2); // => 3
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| 94 | * curriedAdd(1, 2); // => 3
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| 95 | */
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| 96 | declare function curry<T1, T2, R>(func: (t1: T1, t2: T2) => R, arity?: number): CurriedFunction2<T1, T2, R>;
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| 97 | /**
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| 98 | * Creates a curried function that accepts three arguments.
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| 99 | * @param {(t1: T1, t2: T2, t3: T3) => R} func - The function to curry.
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| 100 | * @param {number=func.length} arity - The arity of func.
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| 101 | * @returns {CurriedFunction3<T1, T2, T3, R>} - Returns the new curried function.
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| 102 | * @example
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| 103 | * const volume = (l: number, w: number, h: number) => l * w * h;
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| 104 | * const curriedVolume = curry(volume);
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| 105 | * curriedVolume(2)(3)(4); // => 24
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| 106 | * curriedVolume(2, 3)(4); // => 24
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| 107 | * curriedVolume(2, 3, 4); // => 24
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| 108 | */
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| 109 | declare function curry<T1, T2, T3, R>(func: (t1: T1, t2: T2, t3: T3) => R, arity?: number): CurriedFunction3<T1, T2, T3, R>;
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| 110 | /**
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| 111 | * Creates a curried function that accepts four arguments.
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| 112 | * @param {(t1: T1, t2: T2, t3: T3, t4: T4) => R} func - The function to curry.
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| 113 | * @param {number=func.length} arity - The arity of func.
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| 114 | * @returns {CurriedFunction4<T1, T2, T3, T4, R>} - Returns the new curried function.
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| 115 | * @example
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| 116 | * const fn = (a: number, b: number, c: number, d: number) => a + b + c + d;
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| 117 | * const curriedFn = curry(fn);
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| 118 | * curriedFn(1)(2)(3)(4); // => 10
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| 119 | * curriedFn(1, 2)(3, 4); // => 10
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| 120 | * curriedFn(1, 2, 3, 4); // => 10
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| 121 | */
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| 122 | declare function curry<T1, T2, T3, T4, R>(func: (t1: T1, t2: T2, t3: T3, t4: T4) => R, arity?: number): CurriedFunction4<T1, T2, T3, T4, R>;
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| 123 | /**
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| 124 | * Creates a curried function that accepts five arguments.
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| 125 | * @param {(t1: T1, t2: T2, t3: T3, t4: T4, t5: T5) => R} func - The function to curry.
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| 126 | * @param {number=func.length} arity - The arity of func.
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| 127 | * @returns {CurriedFunction5<T1, T2, T3, T4, T5, R>} - Returns the new curried function.
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| 128 | * @example
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| 129 | * const fn = (a: number, b: number, c: number, d: number, e: number) => a + b + c + d + e;
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| 130 | * const curriedFn = curry(fn);
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| 131 | * curriedFn(1)(2)(3)(4)(5); // => 15
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| 132 | * curriedFn(1, 2)(3, 4)(5); // => 15
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| 133 | * curriedFn(1, 2, 3, 4, 5); // => 15
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| 134 | */
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| 135 | declare function curry<T1, T2, T3, T4, T5, R>(func: (t1: T1, t2: T2, t3: T3, t4: T4, t5: T5) => R, arity?: number): CurriedFunction5<T1, T2, T3, T4, T5, R>;
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| 136 | /**
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| 137 | * Creates a curried function that accepts any number of arguments.
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| 138 | * @param {(...args: any[]) => any} func - The function to curry.
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| 139 | * @param {number=func.length} arity - The arity of func.
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| 140 | * @returns {(...args: any[]) => any} - Returns the new curried function.
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| 141 | * @example
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| 142 | * const sum = (...args: number[]) => args.reduce((a, b) => a + b, 0);
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| 143 | * const curriedSum = curry(sum);
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| 144 | * curriedSum(1, 2, 3); // => 6
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| 145 | * curriedSum(1)(2, 3); // => 6
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| 146 | * curriedSum(1)(2)(3); // => 6
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| 147 | */
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| 148 | declare function curry(func: (...args: any[]) => any, arity?: number): (...args: any[]) => any;
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| 149 | declare namespace curry {
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| 150 | var placeholder: typeof curryPlaceholder;
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| 151 | }
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| 152 | declare const curryPlaceholder: unique symbol;
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| 153 |
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| 154 | export { curry };
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