commit 75dca2e84620d79b8a69155d10967761ea543cdf
author David Tolnay <dtolnay@gmail.com> Wed Mar 25 20:17:52 2020 -0700
committer David Tolnay <dtolnay@gmail.com> Sun Mar 29 21:50:25 2020 -0700
tree ccbb03e4e3d5e21ccbb20dcbbf9372cb8e749d78
parent d71eb54c139b5dd576efe778751dda5c94a399f8

Passing function pointer from Rust to C++

src/function.rs

diff --git a/src/function.rs b/src/function.rs
new file mode 100644
index 0000000..1166b3d
--- /dev/null
+++ b/src/function.rs
@@ -0,0 +1,5 @@
+#[repr(C)]
+pub struct FatFunction {
+    pub trampoline: *const (),
+    pub ptr: *const (),
+}

src/lib.rs

diff --git a/src/lib.rs b/src/lib.rs
index 09326f5..3aaf172 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -356,6 +356,7 @@
 mod cxx_string;
 mod error;
 mod exception;
+mod function;
 mod gen;
 mod opaque;
 mod paths;
@@ -374,6 +375,7 @@
 // Not public API.
 #[doc(hidden)]
 pub mod private {
+    pub use crate::function::FatFunction;
     pub use crate::opaque::Opaque;
     pub use crate::result::{r#try, Result};
     pub use crate::rust_str::RustStr;