Math¶

 1#!/usr/bin/python -m mash
 2
 3# constants
 4pi <- float 3.141592653589793
 5
 6# unary operators
 7abs (x):
 8    if $x >= 0 then
 9        return $x
10    else
11        return math - $x
12
13
14fac (n):
15    if $n < 0 then fail
16
17    if $n == 0 then 
18        return 1
19
20    return range $n |> product
21
22
23# binary operators
24add (a b): math a + b
25sub (a b): math a - b
26mul (a b): math a * b
27
28# reduction
29sum (x): echo $x |> reduce add 0
30product (x): echo $x |> reduce mul 1