Roasting Coffee
Currying
Kona is struggling with a coffee roaster. It's so old all the instructions wore off. Every time she puts in a pound of beans: poof. Burnt to a crisp.
Finally, management buys a roaster that isn't so terrible. Probably said it was their idea, too. One pound at a time? Sure thing, boss. It'll even tell you how much is left the the load, if you're real nice.
"use strict"; // I didn't tell you this, but: // Currying is the same as unary, accepts one parameter… const coffeeRoaster_Multiary = (_scoop1, _scoop2, _scoop3, _scoop4, _scoop5, _scoop6, _scoop7) => { console.log ("_scoop1, _scoop2, _scoop3, _scoop4, _scoop5, _scoop6, _scoop7"); return (`Roastin' time.`); } let coffeeRoaster_Unary = _scoop1 => { console.log(`6 more pounds.`); return coffeeRoaster_Unary = _scoop2 => { console.log(`5 more pounds.`); return coffeeRoaster_Unary = _scoop3 => { console.log(`4 more pounds.`); return coffeeRoaster_Unary = _scoop4 => { console.log(`3 more pounds.`); return coffeeRoaster_Unary = _scoop5 => { console.log(`2 more pounds.`); return coffeeRoaster_Unary = _scoop6 => { console.log(`1 more pound.`); return coffeeRoaster_Unary = _scoop7 => { console.log(`All ${_scoop7} pounds loaded.`); return (`Roastin' time.`); } } } } } } } coffeeRoaster_Multiary("1"); // "1, undefined, undefined, undefined, undefined, undefined, undefined" // That one was incinerated, like Starbucks… coffeeRoaster_Multiary("1", "2", "3", "4", "5", "6", "7"); // "1, 2, 3, 4, 5, 6, 7" // Finally works if you're able to put all 7 pounds in at once. // That's one big scoop. coffeeRoaster_Unary("1")("2"); // "6 more pounds" // "5 more pounds" coffeeRoaster_Unary("3")("4"); // "4 more pounds" // "3 more pounds" coffeeRoaster_Unary("5")("6")("7"); // "2 more pounds." // "1 more pound." // "All 7 pounds loaded." // With this newfangled machine, you can do it at your leisure. // We were able to put a man on the moon, // but this is so hard? 
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