Fixing C's Biggest Mistake

[Dukc]

On Saturday, 14 January 2023 at 10:59:38 UTC, Max Samukha wrote:
> My point is you can rarely decide upfront how to handle input 
> to a public API, because the decision depends on how the API 
> will be used:
>
> (1)
> ```
> to!int(readln); // "bad input error", expected to be recoverable
> ```
>
> (2)
> ```
> string s = <computation that may contain a logic error>
> to!int(s); // "logic error", expected to panic
> ```
>
> If you decide on 'assert', then (1) will require a redundant 
> 'enforce'. If you decide on 'enforce', then (2) will require a 
> redundant 'assert'.

The distinction between recoverable and unrecoverable errors is 
still relevant. The library author is only picking the default. 
User still needs to make the decision.