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Simplify CStr construction in no-arg msg_send! variant
Use the same clean pattern as the other msg_send! variants instead of
the roundabout split_last + from_raw_parts approach.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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crates/platform/src/objc.rs
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crates/platform/src/objc.rs
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macro_rules! msg_send {
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// No arguments: msg_send![receiver, selector]
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[$receiver:expr, $sel:ident] => {{
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-
let sel = $crate::objc::Sel::register(concat!(stringify!($sel), "\0").as_bytes()
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.split_last().map(|(_, s)| unsafe { std::ffi::CStr::from_bytes_with_nul_unchecked(
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std::slice::from_raw_parts(s.as_ptr(), s.len() + 1)
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) }).unwrap());
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+
let sel_name = concat!(stringify!($sel), "\0");
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let sel = $crate::objc::Sel::register(unsafe {
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std::ffi::CStr::from_bytes_with_nul_unchecked(sel_name.as_bytes())
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});
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let func: unsafe extern "C" fn(*mut std::os::raw::c_void, *mut std::os::raw::c_void) -> _
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= unsafe { std::mem::transmute($crate::objc::msg_send_fn()) };
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unsafe { func($receiver as *mut std::os::raw::c_void, sel.as_ptr() as *mut std::os::raw::c_void) }