diff options
Diffstat (limited to 'checklink/Lens.ml')
-rw-r--r-- | checklink/Lens.ml | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/checklink/Lens.ml b/checklink/Lens.ml deleted file mode 100644 index 43359334..00000000 --- a/checklink/Lens.ml +++ /dev/null @@ -1,32 +0,0 @@ -type ('a, 'b) t = { - get: 'a -> 'b; - set: 'b -> 'a -> 'a; -} - -let ( |- ) f g x = g (f x) - -let modify l f a = - let oldval = l.get a in - let newval = f oldval in - l.set newval a - -let compose l1 l2 = { - get = l2.get |- l1.get; - set = l1.set |- modify l2 -} - -let _get a l = l.get a - -let _set v a l = l.set v a - -let _modify f l = modify l f - -let (|.) = _get - -let (^=) l v = fun a -> _set v a l - -let (^%=) l f = _modify f l - -let (|--) l1 l2 = compose l2 l1 - -let (--|) = compose |