#### History of Idiom 31 > diff from v11 to v12

Edit summary for version 12 :

↷

#### Version 11

2015-09-04, 13:36:56

#### Version 12

2015-09-04, 15:43:53

# 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

factorial n = if n > 1 then n * factorial (n-1) else 1