beginner's linking error

[James Cranch]

On Thursday, 17 January 2019 at 12:38:55 UTC, Adam D. Ruppe wrote:

> You need to pass all the modules you use to the compiler, or 
> compile each one at a time and pass the resultant .o files to 
> the linker together.

Marvellous, thanks!

(Okay, it was a naive beginner's question. But I can't help 
thinking that there's a bit of a hole in the documentation shaped 
around this.)