alef 0.21.1

Opinionated polyglot binding generator for Rust libraries
Documentation 
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/// Return the library version string. The pointer is static and must NOT be freed.
/// # Safety
/// Caller must ensure all pointer arguments are valid or null.
/// Returned pointers must be freed with the appropriate free function.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn {{ prefix }}_version() -> *const c_char {
    static VERSION: &str = concat!(env!("CARGO_PKG_VERSION"), "\0");
    VERSION.as_ptr() as *const c_char
}