16, 2016 16:49, "Bram Moolenaar" <[email protected]> wrote:
>
>
> Justin M. Keyes wrote:
>
> > On Jun 15, 2016 7:58 AM, "Ken Takata" <[email protected]> wrote:
> > >
> > > Hi mattn and all,
> > >
> > > 2016/5/27 Fri 22:38:34 UTC+9 Ken Takata wrote:
> > > > Hi mattn,
> > > >
> > > > 2016/4/18 Mon 0:30:19 UTC+9 mattn wrote:
> > > > > Hi, Bram and list.
> > > > >
> > > > > Updated lambda patch to be applied for latest code.
> > > > >
> > > > > https://gist.github.com/mattn/5bc8ded21e1033c9c0ea8cd5ecbbce11
> > > > >
> > > > > This include examples for timer on help file. I'm thinking
lambda()
> > have cooperative to work with job/timer/channel.
> > > > >
> > > > > So I hope to add this into vim8. How do you think?
> > > > >
> > > > > Thanks to k-takata, haya14busa, and all of members on vim-jp.
> > > >
> > > > I have tested the lambda patch with the latest Vim and I found two
> > problems.
> > > >
> > > >   1. garbagecollect_for_testing() was renamed.
> > > >   2. Test_lambda_with_timer() fails on Cygwin. It seems that we need
> > margins
> > > >      as we do in test_timers.vim.
> > > >
> > > > Please check attached patch.
> > > >
> > > > I hope that the lambda patch will be merged in Vim 8.0.
> > > > This makes filter(), map() and sort() easy to use.
> > > > It also works nicely with job/channel/timer features.
> > >
> > > I have merged my patch into your patch, and also fixed that the
function
> > > declaration was not sorted in alphabetical order.
> > > Please check the attached patch.
> > >
> > > Regards,
> > > Ken Takata
> >
> > If lambdas are merged, do we need partials? Why?
>
> A lambda is for defining a function (usually a short one, without giving
> it a name).  A partial is about binding arguments (and in the Vim case a
> dict) to a function.  They supplement each other.

So lambdas as implemented in this patch are not closures? They don't close
over the environment ? What's the point?

Justin M. Keyes

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