Template retrieving variading type of argument (compatible with C vaarg)

[Lachu]

I have problem with this code
    
    
       type
          va_list *{.pure.} = ptr object
       
       template va_arg*[T](list: var va_list): T =
          result = (cast[ptr T](va_list))[]
          inc[ptr T](list)
        
        var args: va_list
        var c = va_arg[cf_sequence](args)
    
    
    Run

Error is:

/home/postep2/src/posteppkg/common/includes/slANDothers_nim_utils.nim(96, 13) 
Error: expression cannot be cast to ptr cf_sequence|   
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