Trait INSDictionary

pub trait INSDictionary: INSObject {
    type Key: INSObject;
    type Value: INSObject;
    type Own: Ownership;

    // Provided methods
    fn count(&self) -> usize { ... }
    fn object_for(&self, key: &Self::Key) -> Option<&Self::Value> { ... }
    fn keys(&self) -> Vec<&Self::Key> { ... }
    fn values(&self) -> Vec<&Self::Value> { ... }
    fn keys_and_objects(&self) -> (Vec<&Self::Key>, Vec<&Self::Value>) { ... }
    fn key_enumerator(&self) -> NSEnumerator<'_, Self::Key>  { ... }
    fn object_enumerator(&self) -> NSEnumerator<'_, Self::Value>  { ... }
    fn keys_array(&self) -> Id<NSSharedArray<Self::Key>> { ... }
    fn from_keys_and_objects<T>(
        keys: &[&T],
        vals: Vec<Id<Self::Value, Self::Own>>,
    ) -> Id<Self>
       where T: INSCopying<Output = Self::Key> { ... }
    fn into_values_array(dict: Id<Self>) -> Id<NSArray<Self::Value, Self::Own>> { ... }
}

Required Associated Types

type Key: INSObject

type Value: INSObject

type Own: Ownership

Provided Methods

fn count(&self) -> usize

Examples found in repository

examples/example.rs (line 37)

fn main() {
    // Create and compare NSObjects
    let obj = NSObject::new();
    println!("{:?} == {:?}? {:?}", obj, obj, obj == obj);

    let obj2 = NSObject::new();
    println!("{:?} == {:?}? {:?}", obj, obj2, obj == obj2);

    // Create an NSArray from a Vec
    let objs = vec![obj, obj2];
    let array = NSArray::from_vec(objs);
    for obj in array.object_enumerator() {
        println!("{:?}", obj);
    }
    println!("{}", array.count());

    // Turn the NSArray back into a Vec
    let mut objs = NSArray::into_vec(array);
    let obj = objs.pop().unwrap();

    // Create an NSString from a str slice
    let string = NSString::from_str("Hello, world!");
    println!("{}", string.as_str());
    let string2 = string.copy();
    println!("{}", string2.as_str());

    // Create a dictionary mapping strings to objects
    let keys = &[&*string];
    let vals = vec![obj];
    let dict = NSDictionary::from_keys_and_objects(keys, vals);
    println!("{:?}", dict.object_for(&string));
    println!("{}", dict.count());
}

fn object_for(&self, key: &Self::Key) -> Option<&Self::Value>

Examples found in repository

examples/example.rs (line 36)

fn main() {
    // Create and compare NSObjects
    let obj = NSObject::new();
    println!("{:?} == {:?}? {:?}", obj, obj, obj == obj);

    let obj2 = NSObject::new();
    println!("{:?} == {:?}? {:?}", obj, obj2, obj == obj2);

    // Create an NSArray from a Vec
    let objs = vec![obj, obj2];
    let array = NSArray::from_vec(objs);
    for obj in array.object_enumerator() {
        println!("{:?}", obj);
    }
    println!("{}", array.count());

    // Turn the NSArray back into a Vec
    let mut objs = NSArray::into_vec(array);
    let obj = objs.pop().unwrap();

    // Create an NSString from a str slice
    let string = NSString::from_str("Hello, world!");
    println!("{}", string.as_str());
    let string2 = string.copy();
    println!("{}", string2.as_str());

    // Create a dictionary mapping strings to objects
    let keys = &[&*string];
    let vals = vec![obj];
    let dict = NSDictionary::from_keys_and_objects(keys, vals);
    println!("{:?}", dict.object_for(&string));
    println!("{}", dict.count());
}

fn keys(&self) -> Vec<&Self::Key>

fn values(&self) -> Vec<&Self::Value>

fn keys_and_objects(&self) -> (Vec<&Self::Key>, Vec<&Self::Value>)

fn key_enumerator(&self) -> NSEnumerator<'_, Self::Key>

fn object_enumerator(&self) -> NSEnumerator<'_, Self::Value>

fn keys_array(&self) -> Id<NSSharedArray<Self::Key>>

fn from_keys_and_objects<T>( keys: &[&T], vals: Vec<Id<Self::Value, Self::Own>>, ) -> Id<Self>

where T: INSCopying<Output = Self::Key>,

Examples found in repository

examples/example.rs (line 35)

fn main() {
    // Create and compare NSObjects
    let obj = NSObject::new();
    println!("{:?} == {:?}? {:?}", obj, obj, obj == obj);

    let obj2 = NSObject::new();
    println!("{:?} == {:?}? {:?}", obj, obj2, obj == obj2);

    // Create an NSArray from a Vec
    let objs = vec![obj, obj2];
    let array = NSArray::from_vec(objs);
    for obj in array.object_enumerator() {
        println!("{:?}", obj);
    }
    println!("{}", array.count());

    // Turn the NSArray back into a Vec
    let mut objs = NSArray::into_vec(array);
    let obj = objs.pop().unwrap();

    // Create an NSString from a str slice
    let string = NSString::from_str("Hello, world!");
    println!("{}", string.as_str());
    let string2 = string.copy();
    println!("{}", string2.as_str());

    // Create a dictionary mapping strings to objects
    let keys = &[&*string];
    let vals = vec![obj];
    let dict = NSDictionary::from_keys_and_objects(keys, vals);
    println!("{:?}", dict.object_for(&string));
    println!("{}", dict.count());
}

fn into_values_array(dict: Id<Self>) -> Id<NSArray<Self::Value, Self::Own>>

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

impl<K, V> INSDictionary for NSDictionary<K, V>

where K: INSObject, V: INSObject,

type Key = K

type Value = V

type Own = Owned