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furry v0.2.0

Fast curry with cyclical placeholder semantics

furry

Fast¹ curry and unstage with cyclical placeholder semantics²

const {_, curry, unstage} = require('furry');

const a = 1, b = 2, c = 3;

const f = curry((a, b, c) => a - b * c);
const g = unstage(3, a => b => c => a - b * c);

[
  f(a, b, c),
  g(a, b, c),
  f(_, _, c, _)(b, a),
  g(_, _, c, _)(b, a),
  f(_)(_)(c)(_)(b)(a),
  g(_)(_)(c)(_)(b)(a),
  f(_, _, c, _, b, a),
  g(_, _, c, _, b, a)
]
.every(x => x === -5)

1 Fast

$ node bench
baseline:add(1, 1)        x 72,850,400 ops/sec ±1.50% (86 runs sampled)
furried(1, 1)             x 4,445,663 ops/sec ±0.64% (89 runs sampled)
unstaged(1, 1)            x 3,450,117 ops/sec ±1.88% (84 runs sampled)
lodashed(1, 1)            x 7,568,708 ops/sec ±0.71% (91 runs sampled)
ramdad(1, 1)              x 10,308,174 ops/sec ±0.77% (90 runs sampled)
baseline:curried(1)(1)    x 18,450,633 ops/sec ±0.68% (93 runs sampled)
furried(1)(1)             x 3,121,704 ops/sec ±0.51% (91 runs sampled)
unstaged(1)(1)            x 3,140,134 ops/sec ±0.54% (91 runs sampled)
lodashed(1)(1)            x 243,145 ops/sec ±0.69% (91 runs sampled)
ramdad(1)(1)              x 1,543,558 ops/sec ±0.80% (90 runs sampled)
baseline:curryPartial(1)  x 63,945,780 ops/sec ±0.41% (88 runs sampled)
furryPartial(1)           x 12,362,120 ops/sec ±0.88% (94 runs sampled)
unstagePartial(1)         x 11,079,596 ops/sec ±2.81% (87 runs sampled)
lodashPartial(1)          x 2,263,313 ops/sec ±0.50% (94 runs sampled)
ramdaPartial(1)           x 10,573,827 ops/sec ±0.76% (90 runs sampled)
furryPlaceholded(1)       x 5,265,711 ops/sec ±0.50% (90 runs sampled)
unstagePlaceholded(1)     x 2,834,040 ops/sec ±0.91% (89 runs sampled)
lodashPlaceholded(1)      x 2,228,914 ops/sec ±0.75% (90 runs sampled)
ramdaPlaceholded(1)       x 10,835,524 ops/sec ±0.67% (92 runs sampled)
furried(_, _, _)(1, 1)    x 1,089,515 ops/sec ±0.70% (93 runs sampled)
unstaged(_, _, _)(1, 1)   x 409,976 ops/sec ±1.19% (90 runs sampled)
lodashed(_, _, _)(1, 1)   x 244,057 ops/sec ±1.00% (92 runs sampled)
ramdad(_, _, _)(1, 1)     x 2,239,597 ops/sec ±1.14% (80 runs sampled)

2 Cyclical placeholder semantics

Rather than the placeholder flipping the argument with the next, the argument is flipped with the last. To learn more, check out my Gist explaining the idea.

Metadata

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