So, its proposal is dead, or what we must to do to force it to swift-evolution 
repo on GitHub?

> Hello, everyone!
> 
> I wanna propose to you to remove force unwrapping in fuction signature for 
> swift code. That no sense in clear swift code. If we wanna use some optional 
> value as function param, that is not optional, we must unwrap it before 
> function call.
> People who new in swift look at how they old Obj-C code (without nullability 
> modifiers) translate in to swift:
> 
> Obj-C:
> - (void)foo:(NSInteger)bar {
> //...
> }
> 
> Swift transaliton:
> func foo(bar: Int!) {
> //...
> }
> 
> And think that force unwrapping in signature is good practice. And start 
> write functions in clear swift code like this:
> 
> func newFoo(bar: Int!) {
> //...
> }
> 
> and use it like this:
> 
> let bar: Int? = 1
> newFoo(bar)
> 
> And it really work, and they does not think that this can crash in case if 
> `bar` will be `nil`.
> But in clear swift we wanna work with parametrs in function that clearly or 
> optional, or not.
> 
> func newFoo(bar: Int) {
> //...
> }
> 
> or
> 
> func newFoo(bar: Int?) {
> //...
> }
> 
> When we write a new function we know what we need in this case and use 
> optional params or not.
> 
> So my proposal is remove force unwrapping(`!`) from function signatures, 
> cause it have no sense, and that confuse new users.
> 
> 
> 
_______________________________________________
swift-evolution mailing list
[email protected]
https://lists.swift.org/mailman/listinfo/swift-evolution

Reply via email to