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c# - Async calls with new keyword 'await' -
i've used async methods today, calling methods asynchronously , using caller's callback methods.
recently, can across this post talks new way using new await
keyword. other saving few lines of code, main advantages of new model?
does offer built in solution when make 2 different async calls want control return 1 of caller's callback, after both have completed?
what ctp (community technical preview) mean? new keyword available in next version of c# , vb.net?
from eric lippert's blog post asynchrony in c# 5, part one
the designers of c# 5.0 realized writing asynchronous code painful, in many ways. asynchronous code hard reason about, , we've seen, transformation continuation complex , leads code replete mechanisms obscure meaning of code.
as article explains iterator blocks, anonymous methods, query comprehensions , dynamic types intent make hard, easy.
as community technical preview bit. typically means "await" in next version of c#, there's no guarantee won't change. if write (code or blog posts) , breaks don't blame them.
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