Macro objc2::msg_send

macro_rules! msg_send {
    (super($obj : expr, $superclass : expr), $name : ident) => { ... };
    (super($obj : expr, $superclass : expr), $($name : ident : $arg : expr) +) => { ... };
    ($obj : expr, $name : ident) => { ... };
    ($obj : expr, $($name : ident : $arg : expr) +) => { ... };
}

Sends a message to an object.

The first argument can be any type that dereferences to a type that implements Message, like a reference, pointer, or an Id. The syntax is similar to the message syntax in Objective-C. Variadic arguments are not currently supported.

Example

let obj: *mut Object;
let description: *const Object = msg_send![obj, description];
let _: () = msg_send![obj, setArg1:1 arg2:2];