[erlang-patches] Add lists:init/1 - got tired of implementing it
Thu Apr 25 17:54:10 CEST 2013
Sounds to me like it would have been better implemented as something like:
init([_]) -> ;
init([H|T]) -> [H|init(T)].
As this would avoid re-building the list twice, once on each reversal.
On Thu, Apr 25, 2013 at 11:12 AM, Hans Svensson <> wrote:
> Yesterday I implemented, for the umpteenth time, the init-function. (I
> guess being taught Haskell at one point could be blamed partly for the
> coding style requiring this function...) It is a trivial function that I
> think should be part of the standard lists module. This patch adds the
> function, tests in lists_SUITE, and documentation of the function.
> The implementation is trivial: reverse(tl(reverse(List))).
> If I've missed some religious reason for not having this function feel
> free to drop the patch ;-)
> git fetch git://github.com/hanssv/otp.**git<http://github.com/hanssv/otp.git>add_init_to_lists
> erlang-patches mailing list
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