vemod.net
:
Projects
,
About
and
Table of Contents
Site Tags
:
Ruby
,
Mac
,
Haskell
and
more
.
mapWithIndex
mapWithIndex
::
(
a
->
Int
->
b
)
->
[
a
]
->
[
b
]
mapWithIndex
f
xs
=
zipWith
f
xs
[
0
..
]