[swift-evolution] Rename 'guard' to 'ensure'

[John Flanagan]

I'm not sure that "sugar" is the right word, but I will give you that "guard" is probably too well established to be usurped by ensure™ just for the sake of grammar. 
-John
    _____________________________
From: Shawn Erickson <shawnce at gmail.com>
Sent: Monday, February 22, 2016 11:07 AM
Subject: Re: [swift-evolution] Rename 'guard' to 'ensure'
To: John Flanagan <john at jflan.com>,  <swift-evolution at swift.org>


       Ensure(TM) ...has a little much sugar for my wants in a drink   
   
I get and like the suggestion from a grammar pov however guard is a little more forceful in terminology which aligns with the fact that you cannot proceed past the guard unless the condition is met. (I have a vision of a little guard standing at his guard post checking papers)   
   
-Shawn    
         On Mon, Feb 22, 2016 at 9:01 AM John Flanagan via swift-evolution <    swift-evolution at swift.org> wrote:    
               The functionality of ‘guard’ is great and this proposal has nothing to do with changing that. The only suggestion is that the word ‘ensure’ would better communicate what a ‘guard’ statement does to those encountering it for the first time and would make code more readable in general.           
                Example:                
                ensure foo != nil else {                   return;                }                
                -John         _______________________________________________    
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