[Haskell-cafe] Quickcheck

[Ozgur Akgun]

hi,

On 13 November 2012 21:52, <graham at fatlazycat.com> wrote:

> prop_something x y = .......do blah with positive integers
>   ==> x > 0 && y > 0
>

quickcheck provides a few nice new types for such cases. try:

prop_something (Positive x) (Positive y) = ...

this way qc only generates positive numbers, instead of generating and
discarding some.

hth,

-- 
Ozgur Akgun
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