//! This module defines a macro that lets you go from a raw pointer to a struct //! to a raw pointer to a field of the struct. macro_rules! generate_addr_of_methods { ( impl<$($gen:ident)*> $struct_name:ty {$( $(#[$attrs:meta])* $vis:vis unsafe fn $fn_name:ident(self: NonNull) -> NonNull<$field_type:ty> { &self$(.$field_name:tt)+ } )*} ) => { impl<$($gen)*> $struct_name {$( $(#[$attrs])* $vis unsafe fn $fn_name(me: ::core::ptr::NonNull) -> ::core::ptr::NonNull<$field_type> { let me = me.as_ptr(); let field = ::std::ptr::addr_of_mut!((*me) $(.$field_name)+ ); ::core::ptr::NonNull::new_unchecked(field) } )*} }; }