flapigen 0.11.0

Tool for connecting libraries written in Rust with other languages
Documentation 
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r##"impl SomeTrait for JavaCallback {
    #[allow(unused_mut)]
    fn on_state_changed1(&self, a0: i32, a1: bool) {
        swig_assert_eq_size!(::std::os::raw::c_uint, u32);
        swig_assert_eq_size!(::std::os::raw::c_int, i32);
        let env = self.get_jni_env();
        if let Some(env) = env.env {
            let mut a0: jint = a0;
            let mut a1: jboolean = if a1 { 1 as jboolean } else { 0 as jboolean };
            unsafe {
                (**env).CallVoidMethod.unwrap()(
                    env,
                    self.this,
                    self.methods[0usize],
                    a0,
                    a1 as ::std::os::raw::c_uint,
                );
                if (**env).ExceptionCheck.unwrap()(env) != 0 {
                    log::error!(concat!(
                        stringify!(on_state_changed1),
                        ": java throw exception"
                    ));
                    (**env).ExceptionDescribe.unwrap()(env);
                    (**env).ExceptionClear.unwrap()(env);
                }
            };
        }
    }
    #[allow(unused_mut)]
    fn on_state_changed2(&self, a0: bool, a1: f64) -> bool {
        swig_assert_eq_size!(::std::os::raw::c_uint, u32);
        swig_assert_eq_size!(::std::os::raw::c_int, i32);
        let env = self.get_jni_env();
        let env = env.env.expect(concat!(
            "Can not get env for ",
            stringify!(on_state_changed2)
        ));
        let mut a0: jboolean = if a0 { 1 as jboolean } else { 0 as jboolean };
        let mut a1: jdouble = a1;
        let mut ret: jboolean;
        unsafe {
            ret = (**env).CallBooleanMethod.unwrap()(
                env,
                self.this,
                self.methods[1usize],
                a0 as ::std::os::raw::c_uint,
                a1,
            );
            if (**env).ExceptionCheck.unwrap()(env) != 0 {
                log::error!(concat!(
                    stringify!(on_state_changed2),
                    ": java throw exception"
                ));
                (**env).ExceptionDescribe.unwrap()(env);
                (**env).ExceptionClear.unwrap()(env);
            }
        };
        let mut ret: bool = ret != 0;
        ret
    }
}"##;