Struct cacao::foundation::NSNumber

pub struct NSNumber(pub Id<Object>);

Wrapper for a NSNumber object.

In general we strive to avoid using this in the codebase, but it’s a requirement for moving objects in and out of certain situations (e.g, UserDefaults).

Tuple Fields

0: Id<Object>

Implementations

impl NSNumber

pub fn retain(data: id) -> Self

If we’re vended an NSNumber from a method (e.g, NSUserDefaults querying) we might want to wrap (and retain) it while we figure out what to do with it. This does that.

pub fn wrap(data: id) -> Self

If we’re vended an NSNumber from a method (e.g, NSUserDefaults querying) we might want to wrap it while we figure out what to do with it. This does that.

pub fn bool(value: bool) -> Self

Constructs a numberWithBool instance of NSNumber and retains it.

pub fn integer(value: i64) -> Self

Constructs a numberWithInteger instance of NSNumber and retains it.

pub fn float(value: f64) -> Self

Constructs a numberWithDouble instance of NSNumber and retains it.

pub fn objc_type(&self) -> &str

Returns the objCType of the underlying NSNumber as a Rust &str. This flag can be used to inform you how you should pull the underlying data out of the NSNumber.

For more information: https://nshipster.com/type-encodings/

pub fn as_i64(&self) -> i64

Pulls the underlying NSInteger value out and passes it back as an i64.

Note that this does not check if the underlying type is actually this. You are responsible for doing so via the objc_type() method.

pub fn as_f64(&self) -> f64

Pulls the underlying double value out and passes it back as an f64.

Note that this does not check if the underlying type is actually this. You are responsible for doing so via the objc_type() method.

pub fn as_bool(&self) -> bool

Pulls the underlying BOOL value out and passes it back as a bool.

Note that this does not check if the underlying type is actually this. You are responsible for doing so via the objc_type() method.

pub fn is(obj: id) -> bool

A helper method for determining if a given NSObject is an NSNumber.

Trait Implementations

impl Debug for NSNumber

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl From<NSNumber> for id

fn from(number: NSNumber) -> Self

Consumes and returns the underlying NSNumber.