getOpt with shared

Danny Arends Danny.Arends at
Fri May 11 17:25:44 UTC 2018

Hey all,

I have been working on creating a multi-threaded application, so 
I have a shared configuration object which hold several command 
line parameters (which I fill using getopt).

The problem is that I get deprecation warnings when trying to set 
numerical values:

/usr/include/dmd/phobos/std/getopt.d(895,36): Deprecation: 
read-modify-write operations are not allowed for shared 
variables. Use core.atomic.atomicOp!"+="(*receiver, 1) instead.

using getopt with a shared object and boolean values seems 
completely broken:

/usr/include/dmd/phobos/std/getopt.d(895,34): Error: operation 
not allowed on bool *receiver += 1
/usr/include/dmd/phobos/std/getopt.d(751,46): Error: template 
instance `std.getopt.handleOption!(shared(bool)*)` error 
/usr/include/dmd/phobos/std/getopt.d(435,15):        6 recursive 
instantiations from here: getoptImpl!(string, shared(string)*, 
string, shared(string)*, string, shared(VSync)*, string, 
shared(ulong)*, string, shared(bool)*, string, shared(Verbose)*)

Is getopt not supposed to be used with shared structs ?

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