// Forces @safe

@safe:

​

// ok: foo is @safe

int foo(int n) { return n; }

​

// error: can't cast integer to pointer in a @safe function

int* bar(int n) { return cast(int*) n; }

​

// error: can't cast integer to pointer in a @safe function

auto baz(int n) { return cast(int*) n; }