[chuck-users] Coin in Chuck

[Kassen]

On 19 August 2012 04:13, Mark Cerqueira <mark.cerqueira at gmail.com> wrote:
> You could do something like this:
>
> // generate a random float between 0.0 and 1.0 and compare its value to the
> percentage you would like doSomething() to be triggered
> if ( Std.rand2f(0.0, 1.0) < 0.20 )
> {
>     // the code in here has a 20% chance of executing
>     doSomething();
> }
>
> This is likely what's going on behind the scenes in the coin method in SC.

Or, as a function for re-use;

fun int coin(float x)
{
  if (Std.rand2f(0,1)< x)
    return 1;
  else
    return 0;
}

//usage;
<<<coin(.2)>>>;

There is also the "maybe" keyword which is not as versatile but
easier; it returns 1 or 0, with a 50/50 chance.

Yours,
Kas.