My program compiled, but when I ran it I got this error message:

object.Error@src/rt/minfo.d(371): Cyclic dependency between module variable and main
variable* ->
misc ->
main* ->
variable*


I take it that the -> represents a dependency from the module on that line, to the module on the line below. My question is what do the asterisks represent?

On 11/7/17 7:49 AM, Tony wrote:
> My program compiled, but when I ran it I got this error message:
> 
> object.Error@src/rt/minfo.d(371): Cyclic dependency between module variable and main
> variable* ->
> misc ->
> main* ->
> variable*
> 
> 
> I take it that the -> represents a dependency from the module on that line, to the module on the line below. My question is what do the asterisks represent?

The asterisks represent modules with module ctors/dtors. So misc is an intermediate step, but has no module ctor/dtor.

A cycle between a module with a ctor and itself is OK, as long as it only goes through such import paths.

-Steve

On Tuesday, 7 November 2017 at 14:05:41 UTC, Steven Schveighoffer wrote:
> On 11/7/17 7:49 AM, Tony wrote:
>> My program compiled, but when I ran it I got this error message:
>> 
>> object.Error@src/rt/minfo.d(371): Cyclic dependency between module variable and main
>> variable* ->
>> misc ->
>> main* ->
>> variable*
>> 
>> 
>> I take it that the -> represents a dependency from the module on that line, to the module on the line below. My question is what do the asterisks represent?
>
> The asterisks represent modules with module ctors/dtors. So misc is an intermediate step, but has no module ctor/dtor.
>
> A cycle between a module with a ctor and itself is OK, as long as it only goes through such import paths.
>

See https://dlang.org/spec/module.html#order_of_static_ctor for options on how to handle cycles other than rewriting.