https://github.com/williamvenner/fn_abi

✨ A proc attribute macro that sets the ABI/calling convention for the attributed function
https://github.com/williamvenner/fn_abi

abi calling convention ffi macro proc-macro proc-macro-attributes rust unsafe

Last synced: 3 days ago
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✨ A proc attribute macro that sets the ABI/calling convention for the attributed function

• Host: GitHub
• URL: https://github.com/williamvenner/fn_abi
• Owner: WilliamVenner
• License: mit
• Created: 2021-09-23T23:06:42.000Z (over 3 years ago)
• Default Branch: master
• Last Pushed: 2022-03-07T11:44:02.000Z (about 3 years ago)
• Last Synced: 2025-04-19T12:45:46.917Z (4 days ago)
• Topics: abi, calling, convention, ffi, macro, proc-macro, proc-macro-attributes, rust, unsafe
• Language: Rust
• Homepage: https://crates.io/crates/fn_abi
• Size: 11.7 KB
• Stars: 3
• Watchers: 3
• Forks: 1
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
[![crates.io](https://img.shields.io/crates/v/fn_abi.svg)](https://crates.io/crates/fn_abi)

# ✨ `fn_abi`

A proc attribute macro that sets the ABI/calling convention for the attributed function.

## Example

```rust

#[macro_use] extern crate fn_abi;

#[abi("fastcall")]

extern fn hello_world_fastcall() {

    println!("hello world!");

}

#[cfg_attr(all(target_os = "windows", target_pointer_width = "32"), abi("thiscall"))]

#[cfg_attr(all(target_os = "windows", target_pointer_width = "64"), abi("fastcall"))]

extern fn hello_world_windows() {

    println!("hello world!");

}

```