Why exe size change if import entire std or just writeln?

[H. S. Teoh]

On Thu, Mar 24, 2022 at 01:49:30AM +0000, Marcone via Digitalmars-d-learn wrote:
> import std.stdio : writeln;
> 
> void main(){
> 	writeln("Bom dia");
> }
> 
> 
> Size exe file: 258 KB
> 
> --------------------------------------------------------------
> 
> import std;
> 
> void main(){
> 	writeln("Bom dia");
> }
> 
> Size exe file: 595 KB
> 
> 
> 
> If dependencies are resolved at compile time, why does the compiler
> include extra stuff?

Did you compile with LTO?  If not, the exe may carry extra baggage,
since the linker may not have tried to shed excess baggage.


T

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