What compiler flags can be passed to a Dlang compiler

[mw]

On Sunday, 6 December 2020 at 11:48:34 UTC, tejas89 wrote:
> What compiler flags can be passed to a Dlang compiler? 
> Definition of compiler flag being something like say “—wall” or 
> “—werror” for example. I’m not sure what is available for the 
> language since I’m new to it and hope to learn D as one of 
> languages alongside C, C++, Python, Kotlin.

try:

$ dmd -h