[swift-evolution] [Pitch] Object aliases

[Martin Waitz]

Hello,

> Am 30.06.2017 um 10:55 schrieb Daryle Walker via swift-evolution <swift-evolution at swift.org>:
> 
> I was thinking posing aliases would be like symbolic substitution; we could replace the alias with the text defining its source expression everywhere and there should be no efficiency change. But I would want any evaluation of the (sub-)object’s location to be computed once; is that where complexity could come in? I was hoping that object location determination could be done at compile-time; that’s the reason for restricting what kinds of objects can be a source object.

Have you had a look at local `inout` bindings as proposed in the Ownership Manifesto[1]?
Do they solve your problem?

— Martin

[1]: https://github.com/apple/swift/blob/master/docs/OwnershipManifesto.md#local-ephemeral-bindings
 <https://github.com/apple/swift/blob/master/docs/OwnershipManifesto.md#local-ephemeral-bindings> <https://github.com/apple/swift/blob/master/docs/OwnershipManifesto.md#local-ephemeral-bindings>
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