operator_map

Transform each value with a mapping function.

See Also

• MapIntoOperator - Map each value using Into.
• MapErrorOperator - Transform error values into another error value.
• MapNeverOperator - Re-type Never signals into concrete types.
• MaterializeOperator - Turn next/error/complete into notification values.
• DematerializeOperator - Convert notifications back into real signals.
• EnumerateOperator - Attach a running index to each emission.
• PairwiseOperator - Emit the previous and current values together.

Example

cargo run -p rx_core --example operator_map_example

let _subscription = (1..=5)
    .into_observable()
    .map(|i| i * 2)
    .subscribe(PrintObserver::new("map_operator"));

Output:

map_operator - next: 2
map_operator - next: 4
map_operator - next: 6
map_operator - next: 8
map_operator - next: 10
map_operator - completed
map_operator - unsubscribed