Struct design_pattern_examples_rust::observer::observer_observers::ObserverDecimal

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pub struct ObserverDecimal {}
Expand description

Represents an observer that prints out the current number from the Subject in decimal.

Implementations§

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impl ObserverDecimal

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pub fn new() -> Rc<RefCell<dyn IObserverNumberChanged>>

Constructor

Returns

Returns a new instance of the ObserverDecimal class as represented by the IObserverNumberChanged trait.

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fn show(&self, number: u32)

Helper method to display the number in decimal.

Parameters

  • number

    The number to display.

Trait Implementations§

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impl IObserverNumberChanged for ObserverDecimal

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fn notify(&mut self, updated_number: u32)

This is called whenever the number in the ObserverNumberProducer object is changed. Read more

Auto Trait Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

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fn vzip(self) -> V