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README
Tasty Lens
Preassembled tasty
TestTree
s
with sensible defaults for the validation of:
Lens
Setter
Traversal
Iso
Prism
Although these tests offer weaker guarantees compared to manually proving the laws through equational reasoning, they can still be useful for regression testing where you don't want to manually proof every time you make a slight change that could affect the laws.
It uses smallcheck-lens
under the hood. If you don't find any functions to create the TestTree
s you
are looking for, you may want to use the smallcheck-lens
package directly.
In such case you can still check this package as a reference to implement your
own smallcheck-lens
TestTree
s.
Check the tests in this package for usage examples.
Contact
Contributions and bug reports are welcome!
Please feel free to contact jdnavarro on the #haskell IRC channel on irc.freenode.net.