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higer-order-function.md

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κ³ μ°¨ν•¨μˆ˜ - ν•¨μˆ˜λ₯Ό ν•¨μˆ˜μ— 전달

κ°’μœΌλ‘œμ„œμ˜ ν•¨μˆ˜

μˆœμˆ˜ν•œ ν•¨μˆ˜μ  ν”„λ‘œκ·Έλž¨μ„ μž‘μ„±ν•  λ•Œμ— λ‹€λ₯Έ ν•¨μˆ˜λ₯Ό 인수둜 λ°›λŠ” ν•¨μˆ˜λ₯Ό μž‘μ„±ν•˜λŠ” 것이 μœ μš©ν•œ κ²½μš°κ°€ λ§Žλ‹€. -> κ³ μ°¨ν•¨μˆ˜

function factorial(n: number): number {
  const go = (n: number, acc: number): number => {
    n <= 0 ? acc : go(n-1, n * acc)
  }

  go(n, 1)
}
  • go의 μΈμˆ˜λ“€μ€ λ£¨ν”„μ˜ μƒνƒœμ— ν•΄λ‹Ήν•œλ‹€.