square 0.0.1

Native UI toolkit for creating cross-platform graphical user interfaces in Rust.
Documentation 
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use cocoa::base::YES;
use super::{ObjCObject, View};

pub trait ViewGroup: ObjCObject {
    fn add<T: View>(&mut self, view: T) {
        unsafe {
            msg_send![self.handle(), addSubview:view.handle()];
            msg_send![self.handle(), setNeedsLayout: YES];
        }
    }
}