Pulse that stores a current value and can also indicate a potentially change to an updated value. A pulse may indicate that no current value has been set yet but updates must always contain a value.
- Type Params
- P
Stored value type of the Pulse
- Companion
- object
Value members
Concrete methods
If the pulse indicates a change: Applies a filter function to the updated value of the pulse. Based on the filter function, the updated value is retained or an empty pulse is returned. If the pulse doesn't indicate a change: Returns an empty pulse indicating no change.
If the pulse indicates a change: Applies a filter function to the updated value of the pulse. Based on the filter function, the updated value is retained or an empty pulse is returned. If the pulse doesn't indicate a change: Returns an empty pulse indicating no change.
- Value Params
- p
Filter function to be applied to the updated pulse value
- Returns
A pulse with the updated pulse value if the filter function returns true, an empty pulse otherwise
If the pulse indicates a change: Applies a function to the updated value. The function has to return a new pulse that is returned by this function. If the pulse doesn't indicate a change: Returns an empty pulse indicating no change.
If the pulse indicates a change: Applies a function to the updated value. The function has to return a new pulse that is returned by this function. If the pulse doesn't indicate a change: Returns an empty pulse indicating no change.
- Type Params
- Q
Value type of the pulse returned by the applied function
- Value Params
- f
Function to be applied on the updated pulse value
- Returns
Pulse returned by the applied function or an empty pulse if there is no updated value
Checks if the pulse indicates a change
Checks if the pulse indicates a change
- Returns
True if the pulse indicates a change, false if not
If the pulse indicates a change: Applies a function to the updated value of the pulse and returns a new pulse indicating a change to this updated value. If the pulse doesn't indicate a change: Returns an empty pulse indicating no change.
If the pulse indicates a change: Applies a function to the updated value of the pulse and returns a new pulse indicating a change to this updated value. If the pulse doesn't indicate a change: Returns an empty pulse indicating no change.
- Type Params
- Q
Result type of the applied function
- Value Params
- f
Function to be applied on the updated pulse value
- Returns
Pulse indicating the update performed by the applied function or an empty pulse if there is no updated value