memoffset
C-Like offset_of
functionality for Rust structs.
Introduces the following macros:
offset_of!
for obtaining the offset of a member of a struct.offset_of_tuple!
for obtaining the offset of a member of a tuple. (Requires Rust 1.20+)span_of!
for obtaining the range that a field, or fields, span.
memoffset
works under no_std
environments.
Usage
Add the following dependency to your Cargo.toml
:
[]
= "0.7"
These versions will compile fine with rustc versions greater or equal to 1.19.
Examples
use ;
Feature flags
Usage in constants
memoffset
has experimental support for compile-time offset_of!
on a nightly compiler.
In order to use it, you must enable the unstable_const
crate feature and several compiler features.
Cargo.toml:
[]
= "0.7"
= ["unstable_const"]
Your crate root: (lib.rs
/main.rs
)