Sha256: cbd020a07ffba2b1c608856081499645cf606cb45444dc53d94457381a94bc33
Contents?: true
Size: 788 Bytes
Versions: 33
Compression:
Stored size: 788 Bytes
Contents
//! 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 $fn_name:ident(self: NonNull<Self>) -> NonNull<$field_type:ty> {
&self$(.$field_name:tt)+
}
)*}
) => {
impl<$($gen)*> $struct_name {$(
$(#[$attrs])*
$vis unsafe fn $fn_name(me: ::core::ptr::NonNull<Self>) -> ::core::ptr::NonNull<$field_type> {
let me = me.as_ptr();
let field = ::std::ptr::addr_of_mut!((*me) $(.$field_name)+ );
::core::ptr::NonNull::new_unchecked(field)
}
)*}
};
}
Version data entries
33 entries across 33 versions & 1 rubygems