[Vala] Asynchronous delegates (proposal)

[Guillaume Poirier-Morency <guillaumepoiriermorency gmail com>]

I think it would be worth for Vala to support asynchronous delegates
and since I'll have some time this summer, I might as well work on that
feature.

I described the syntax in the following post:

    http://arteymix.github.io/2016/03/30/async-delegates.html

I'm looking for suggestions and/or an elegant solution to the chaining
problem.

-- 
Guillaume Poirier-Morency <guillaumepoiriermorency gmail com>

Étudiant au baccalauréat en Informatique à l'Université de Montréal
Développeur d'application web

Mon blog: https://arteymix.github.io/
Mon projet de coopérative: https://pittoresque.github.io/
Clé PGP: B1AD6EA5

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