17 lines
No EOL
341 B
Markdown
17 lines
No EOL
341 B
Markdown
importance: 2
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---
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# Sum with an arbitrary amount of brackets
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Write function `sum` that would work like this:
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```js
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sum(1)(2) == 3; // 1 + 2
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sum(1)(2)(3) == 6; // 1 + 2 + 3
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sum(5)(-1)(2) == 6
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sum(6)(-1)(-2)(-3) == 0
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sum(0)(1)(2)(3)(4)(5) == 15
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```
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P.S. Hint: you may need to setup custom object to primitive conversion for your function. |