import core.stdc.stdio;

​

// "nogc" shows error for template only when instantiated

S addDot( S )( S s ) if (isSomeString!S) { return s ~ '.'; }

​

// "nogc" shows error for next line always

//string addDot2( string s ) { return s ~ '.'; }

​

extern (C) int main()

{

    version (D_BetterC) puts("D_BetterC"); 

    version (D_Exceptions) puts("D_Exceptions"); 

    version (D_ModuleInfo) puts("D_ModuleInfo");

    version (D_TypeInfo) puts("D_TypeInfo");

    static if (__traits( compiles, new int))

        "new int".printf;

    else 

        "NO new int".printf;

    auto s = "hello world";

    version (LDC_nogc) {

        // do stuff without GC

        //s = addDot( s );

    } else { 

        // code can use GC

        //s = addDot( s );

        // but option "nogc" is enabled => ERROR

    }

    return 0;

}