TNotifyEvent捕获问题 about rust-vcl HOT 18 CLOSED

#![feature(trait_alias)]

pub trait TNotifyEvent = Fn(i32) -> i32;

fn test(f: impl TNotifyEvent) {
    println!("{}", f(10));
}

fn callback(i: i32) -> i32 {
    i * 10
}

let x = 10;
test(MainForm::callback);
test(|i:i32| i + x);

#![feature(trait_alias)]

#[link(name = "liblcl")]
extern "system" {
    // ...
    pub fn MainMenu_SetOnChange(AObj: usize, AEventId: TMenuChangeEvent);
    // ...
}

TMainForm::test(testEvent);

 
 f: impl TNotifyEvent ->  _ZN4core3ops8function2Fn4call17h31c4630f33dae3cfE(&f, 10); -> testEvent(10);
 

    fn onBtnColorDialogClick(&self, _sender: usize) {
        if self.dlgColor.Execute() {
            let color = self.dlgColor.Color();
            println!("color={}", color);
            self.form.SetColor(color);
        }
    }

#[derive(VclForm)]
pub struct TForm2 {
    btn: TButton,
    pub form: TForm, // 固定名form, 放最后，前面引用完后，后面move到form。
}

#[derive(VclApp)]
struct TApp {
    mainForm: TMainForm,
    form2: TForm2,
}

fn Test1(&self) -> &Self {
    // 这地方应该是返回 self还是&self呢，，我测试好像都没问题  
    self     
    &self  
}

    pub fn init(&self) -> &Self {
        let sid = self.getSId();

        // TForm
        self.form
            .SetCaption("你好，Rust！ - Hello Rust!")
            .SetWidth(200)
            .SetHeight(300)
            .EnabledMaximize(false)
            .SetPosition(TPosition::poScreenCenter);

        // TButton
        self.btn.SetParent(self)
            .SetCaption("msgbox")
            .SetOnClick(sid, Self::onBtnClick)
            .AnchorHorizontalCenterTo(self)
            .AnchorVerticalCenterTo(self);

        return self;
    }

pub fn Test1(&self) -> &Self {
    &self
}

pub fn Test2(&self) -> &Self {
    self
}