rx-filter.hpp File Reference

For each item from this observable use Predicate to select which items to emit from the new observable that is returned. More...

#include "../rx-includes.hpp"

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Classes
struct	rxcpp::member_overload< filter_tag >

Namespaces
	rxcpp
	rxcpp::operators

Macros
#define	RXCPP_OPERATORS_RX_FILTER_HPP

Functions
template<class... AN>
auto	rxcpp::operators::filter (AN &&...an) -> operator_factory< filter_tag, AN... >
	For each item from this observable use Predicate to select which items to emit from the new observable that is returned. More...

Detailed Description

For each item from this observable use Predicate to select which items to emit from the new observable that is returned.

Template Parameters

Predicate

the type of the filter function

Parameters

p	the filter function

Returns

Observable that emits only those items emitted by the source observable that the filter evaluates as true.

Sample Code

    auto values = rxcpp::observable<>::range(1, 6).
        filter([](int v){
            return v % 2;
        });
    values.
        subscribe(
            [](int v){printf("OnNext: %d\n", v);},
            [](){printf("OnCompleted\n");});

OnNext: 1
OnNext: 3
OnNext: 5
OnCompleted

Macro Definition Documentation

#define RXCPP_OPERATORS_RX_FILTER_HPP