Add snippet location at end of completion

[chrisduerr]

I'm not certain if this is a problem with LC or if it's the language server, but I thought I'd just ask here first.

After #379 has been resolved (thanks a lot to everyone involved!) it's possible to have snippet managers automatically handle arguments in completions (jump between them). However I've been missing the option to have a jump-to point at the end of function definitions.

I think an example might explain this best. This is currently what I get when completing a function:

test(<`1:huh: usize`>, <`2:hah: isize`>)

This makes it possible to first edit the first parameter, then the second. But moving by a single character in vim can be a bit annoying, so if I would want to add an ; at the end of the line, it's not perfect.

To compensate for this, a lot of snippets (at least in neosnippet) add an additional point the user can jump to at the end of snippets, as a kind of 'exit point' which allows users to continue after the snippet.

Something like that:

test(<`1:huh: usize`>, <`2:hah: isize`>)<`3:`>

[autozimu]

This plugin will present whatever snippet returned by language servers. For the described behaviour, you'd better served at language server side.