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Programming-Idioms

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Version 23

2016-01-26, 02:26:55

Version 24

2016-01-27, 11:05:36

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 
f(0) -> 1;
f(I) -> I * f(I - 1).
Code 
f(0) -> 1;
f(I) -> I * f(I - 1).
Comments bubble
No defensive programming_ here.
Comments bubble
No "defensive programming" here.
Demo URL
http://tryerl.seriyps.ru/#id=0cf3
Demo URL
http://tryerl.seriyps.ru/#id=0cf3