[swift-evolution] [Pitch] Expose assert configuration functions in standard library

[Erica Sadun]

> On Jun 1, 2016, at 9:15 AM, Erica Sadun <erica at ericasadun.com> wrote:
> 
> Or, to be honest:
> 
> /// Offers user-facing public assert configuration test
> @_transparent
> public
> func isDebugAssertConfiguration() -> Bool {
>   return _isDebugAssertConfiguration()
> }
> 
> which covers, I believe, about 98% of the demand for this feature
> 
> -- E


Following up to myself, now that I'm actually using this, I realize that avoiding using a build configuration test might not be the best idea from the developer experience side of things: 

main.swift:7:9: warning: will never be executed
        print("Not debug assert configuration")
        ^
main.swift:4:8: note: condition always evaluates to true
    if isDebugAssertConfiguration() {
       ^
Testing debug assertion

Whereas going with if #if debugassert() would simply make code "disappear".

-- E

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