Shouldn't safety be the default.

[Siarhei Siamashka]

On Wednesday, 27 December 2023 at 07:42:31 UTC, Walter Bright 
wrote:
> @safe code is just as fast as @system code. You might be 
> thinking about the switch that turns runtime array bounds 
> checking on/off.
>
> Yes, safety should be the default, but we don't want to break 
> existing code.

My understanding is that people are suggesting a new global 
compiler switch to optionally disable safety (allow `@system` and 
`@trusted` to be called from `@safe`), which would indeed allow 
compiling old abandoned libraries and use them from the new code 
during the transition period.