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

[Carlos García]

Hi Rod,

Maybe I’m not explain correctly in email. The change is not a "guard let”  replacement, instead it is a “if let” replacement.

Best,
Carlos


> On 08 Jan 2017, at 07:22, Rod Brown <rodney.brown6 at icloud.com> wrote:
> 
> -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 <mailto: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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> 

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