objc_foundation

Trait INSCopying

Source 
pub trait INSCopying: INSObject {
    type Output: INSObject;

    // Provided method
    fn copy(&self) -> ShareId<Self::Output> { ... }
}

Required Associated Types§

Source

type Output: INSObject

Provided Methods§

Source

fn copy(&self) -> ShareId<Self::Output>

Examples found in repository?
examples/example.rs (line 29)
6fn main() {
7    // Create and compare NSObjects
8    let obj = NSObject::new();
9    println!("{:?} == {:?}? {:?}", obj, obj, obj == obj);
10
11    let obj2 = NSObject::new();
12    println!("{:?} == {:?}? {:?}", obj, obj2, obj == obj2);
13
14    // Create an NSArray from a Vec
15    let objs = vec![obj, obj2];
16    let array = NSArray::from_vec(objs);
17    for obj in array.object_enumerator() {
18        println!("{:?}", obj);
19    }
20    println!("{}", array.count());
21
22    // Turn the NSArray back into a Vec
23    let mut objs = NSArray::into_vec(array);
24    let obj = objs.pop().unwrap();
25
26    // Create an NSString from a str slice
27    let string = NSString::from_str("Hello, world!");
28    println!("{}", string.as_str());
29    let string2 = string.copy();
30    println!("{}", string2.as_str());
31
32    // Create a dictionary mapping strings to objects
33    let keys = &[&*string];
34    let vals = vec![obj];
35    let dict = NSDictionary::from_keys_and_objects(keys, vals);
36    println!("{:?}", dict.object_for(&string));
37    println!("{}", dict.count());
38}

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors§