44 lines
1.3 KiB
Rust
44 lines
1.3 KiB
Rust
use objc2::foundation::{NSArray, NSDictionary, NSObject};
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use objc2::ns_string;
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use objc2::rc::autoreleasepool;
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fn main() {
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// Create and compare NSObjects
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let obj = NSObject::new();
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#[allow(clippy::eq_op)]
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{
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println!("{:?} == {:?}? {:?}", obj, obj, obj == obj);
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}
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let obj2 = NSObject::new();
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println!("{:?} == {:?}? {:?}", obj, obj2, obj == obj2);
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// Create an NSArray from a Vec
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let objs = vec![obj, obj2];
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let array = NSArray::from_vec(objs);
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for obj in array.iter() {
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println!("{:?}", obj);
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}
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println!("{}", array.len());
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// Turn the NSArray back into a Vec
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let mut objs = NSArray::into_vec(array);
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let obj = objs.pop().unwrap();
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// Create a static NSString
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let string = ns_string!("Hello, world!");
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// Use an autoreleasepool to get the `str` contents of the NSString
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autoreleasepool(|pool| {
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println!("{}", string.as_str(pool));
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});
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// Or simply use the `Display` implementation
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let _s = string.to_string(); // Using ToString
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println!("{}", string); // Or Display directly
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// Create a dictionary mapping strings to objects
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let keys = &[string];
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let vals = vec![obj];
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let dict = NSDictionary::from_keys_and_objects(keys, vals);
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println!("{:?}", dict.get(string));
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println!("{}", dict.len());
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}
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