Glasses 0.2.0-SNAPSHOT API documentation

coerce a lens or a traversal into a traversal
if given a traversal its a noop
if given a lens it returns a traversal of the 1 item the lens points to

takes a list of lenses/traversals and returns a
traversal that is the `concated` traversal of all of them.

view gives you all traversed items in the order of the lenses
update writes to all travesed items in the order of the lenses

given a predicate gives you a traversal over
the items of a seq that matches the predicate

Examples:
(= (lens/update [1 2 3] (filtered odd?) inc)
   [2 2 4])

a traversal over a seq of items

Example:
(= (lens/update [1 2 3] mapped inc)
   [2 3 4])

a traversal over values in a map

Example:
(= (lens/update {:a 1, :b 2} mapped-vals inc)
   {:a 2, :b 3})

given a predicate shrink returns a traversal of 1 item
that either includes the item or ignores the item.

Examples:
(= (lens/update 1 (shrink odd?) inc) 2)
(= (lens/update 1 (shrink even?) inc) 1)

(= (lens/update [1 2 3] [mapped (shrink even?)] inc)
   [1 3 3])