Cannot implicitly convert expression `true` of type `bool` to `Flag`

[Ali Çehreli]

On 10/15/20 4:25 PM, Paul Backus wrote:

 > On Thursday, 15 October 2020 at 21:33:32 UTC, Ali Çehreli wrote:

 >>   bool someFlag;
 >>   // ...
 >>   foo(someFlag ? Yes.someFlag : No.someFlag);
 >
 > An easier way is to use a cast:
 >
 >      bool someFlag;
 >      // ...
 >      foo(cast(Flag!"someFlag") someFlag);
 >
 > std.conv.to also knows how to handle this conversion:
 >
 >      foo(someFlag.to!(Flag!"someFlag"));

I still like the ternary operator more partly because it uses features 
that are explained in the documentation. :) Both of your methods rely on 
the fact that the implementation is a bool-based enum. Are the users 
expected to know that? If yes, then the library can't change the 
implementation.

Ali