[swift-evolution] [Proposal draft] Use obtain let instead if let construction

[Rod Brown]

-1.

Your proposal seems to confuse something we already have in the language to handle unwrapping and guarding, to only proceed if the item is non-null: Guard.

We already have a keyword and behaviour that you specify in the “guard” behaviour.

Additionally, changing “guard” to be “obtain” would require “obtain” to be signficantly better than the “guard” wording - instead, it is significantly worse.



> On 8 Jan 2017, at 1:46 pm, Carlos García via swift-evolution <swift-evolution at swift.org> wrote:
> 
> Hi all,
> 
> Here’s a draft proposal to change if let construction for obtain let. Proposal is at:
> https://github.com/carlosypunto/swift-evolution/blob/obtain-let-instead-if-let/proposals/XXXX-Use-obtain-let-instead-if-let-constructions.md <https://github.com/carlosypunto/swift-evolution/blob/obtain-let-instead-if-let/proposals/XXXX-Use-obtain-let-instead-if-let-constructions.md>
> 
> I would like to see what you think and get help with "Effect on ABI stability" and "Effect on API resilience" points
> 
> Carlos
> 
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