Some basic quickcheck properties for zippers. Issue #122.
Some basic quickcheck properties for zippers. Issue #122.

Lateral movement and saves/restores need love.

Signed-off-by: Austin Seipp <e672e89da89e9883fbf1dfdcea7453aa4c4c7323@gmail.com>

ddssff/lens,danidiaz/lens,Icelandjack/lens,cdepillabout/lens,Gabriel439/lens,omefire/lens,Fuuzetsu/lens,hvr/lens,timjb/lens,cchalmers/lens,rpglover64/lens,hvr/lens