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Programming-Idioms

History of Idiom 31 > diff from v20 to v21

Edit summary for version 21 by :
New Go implementation by user [lck]

Version 20

2015-11-30, 12:37:27

Version 21

2016-01-01, 00:27:18

Idiom #31 Recursive factorial (simple)

Create recursive function f which returns the factorial of non-negative integer i, calculated from f(i-1)

Idiom #31 Recursive factorial (simple)

Create recursive function f which returns the factorial of non-negative integer i, calculated from f(i-1)

Code
func f(i int) int {
  if i == 0 {
    return 1
  }
  return i * f(i-1)
}