​

void boo(T)(T[] data, scope void delegate(T[] data) @nogc fun) {

    fun(data);

} 

​

void goo(T)(T[] data, /+scope+/ void delegate(T[] data) @nogc fun) {

    fun(data);

} 

​

int[256] arr;

​

void main() {

    void Execute(T)(T[] data) @nogc {

        // ...

    }  

    // Works

    goo(arr[0..$], &Execute!int);

    // Compiler error with DIP 1000

    boo(arr[0..$], &Execute!int);      

}