Understanding import
jicman
jicman_member at pathlink.com
Fri Mar 3 11:09:53 PST 2006
Gracias, Derek. (That's thanks in Spanish. ;-))
Derek Parnell says...
>
>On Thu, 2 Mar 2006 20:41:39 +0000 (UTC), jicman wrote:
>
>> Understanding import...
>>
>> so I have this module:
>>
>> // my module DAE.d
>> module DAE;
>> class Class0
>> {
>> ..
>> }
>> class Class1
>> {
>> ..
>> }
>> class Class2
>> {
>> ..
>> }
>> class Class3
>> {
>> ..
>> }
>> class Class4
>> {
>> ..
>> }
>> class Class5
>> {
>> ..
>> }
>>
>> and this program
>>
>> // test.d
>> private import DAE;
>>
>> int main(char[][] args)
>> {
>> Class1 ini = new Class1();
>> ini.blah = 1;
>> writefln(ini.blah);
>> return(1);
>> }
>>
>> When test.d is compiled, though I only used the Class1 instance and not any
>> others, will the executable be bloaded by the extra ClassX, or would compiler
>> know not to include the rest of the ClassX instances? What I am trying to
>> figure out is if I should declare some of these classes in the main programs
>> which use these other classes instead of the libraries.
>>
>> Any ideas?
>
>I believe that the linker inserts *all* the generated code for a module
>when you reference *any* element in that module. And so, if you want
>fine-grained linker inclusions, then use the minimum number of classes per
>module that will still keep your application working.
>
>Personally, I prefer one class per module except where an application will
>always require all the classes in a module.
>
>--
>Derek
>(skype: derek.j.parnell)
>Melbourne, Australia
>"Down with mediocracy!"
>3/03/2006 11:37:07 AM
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