folly::gen::detail::GroupBy< Selector >::Generator< Value, Source, ValueDecayed, Key, KeyDecayed > Class Template Reference

#include <Base-inl.h>

Inheritance diagram for folly::gen::detail::GroupBy< Selector >::Generator< Value, Source, ValueDecayed, Key, KeyDecayed >:

Public Types
typedef Group< KeyDecayed, ValueDecayed >	GroupType
Public Types inherited from folly::gen::GenImpl< Group< KeyDecayed, ValueDecayed > &&, Generator< Value, Source, ValueDecayed, Key, KeyDecayed > >
typedef Group< KeyDecayed, ValueDecayed > &&	ValueType
typedef std::decay< Group< KeyDecayed, ValueDecayed > && >::type	StorageType

Public Member Functions
	Generator (Source source, Selector selector)
template<class Handler >
bool	apply (Handler &&handler) const
Public Member Functions inherited from folly::gen::GenImpl< Group< KeyDecayed, ValueDecayed > &&, Generator< Value, Source, ValueDecayed, Key, KeyDecayed > >
bool	apply (Handler &&handler) const
void	foreach (Body &&body) const
Public Member Functions inherited from folly::gen::FBounded< Self >
const Self &	self () const
Self &	self ()

Static Public Attributes
static constexpr bool	infinite = false
Static Public Attributes inherited from folly::gen::GenImpl< Group< KeyDecayed, ValueDecayed > &&, Generator< Value, Source, ValueDecayed, Key, KeyDecayed > >
static constexpr bool	infinite

Private Attributes
Source	source_
Selector	selector_

Additional Inherited Members
Protected Member Functions inherited from folly::gen::GenImpl< Group< KeyDecayed, ValueDecayed > &&, Generator< Value, Source, ValueDecayed, Key, KeyDecayed > >
	GenImpl ()=default
	GenImpl (GenImpl &&)=default
	GenImpl (const GenImpl &)=default
GenImpl &	operator= (GenImpl &&)=default
GenImpl &	operator= (const GenImpl &)=default

Detailed Description

template<class Selector>
template<class Value, class Source, class ValueDecayed = typename std::decay<Value>::type, class Key = invoke_result_t<Selector, Value>, class KeyDecayed = typename std::decay<Key>::type>
class folly::gen::detail::GroupBy< Selector >::Generator< Value, Source, ValueDecayed, Key, KeyDecayed >

Definition at line 1159 of file Base-inl.h.

Member Typedef Documentation

template<class Selector >

template<class Value , class Source , class ValueDecayed = typename std::decay<Value>::type, class Key = invoke_result_t<Selector, Value>, class KeyDecayed = typename std::decay<Key>::type>

typedef Group<KeyDecayed, ValueDecayed> folly::gen::detail::GroupBy< Selector >::Generator< Value, Source, ValueDecayed, Key, KeyDecayed >::GroupType

Definition at line 1171 of file Base-inl.h.

Constructor & Destructor Documentation

template<class Selector >

template<class Value , class Source , class ValueDecayed = typename std::decay<Value>::type, class Key = invoke_result_t<Selector, Value>, class KeyDecayed = typename std::decay<Key>::type>

folly::gen::detail::GroupBy< Selector >::Generator< Value, Source, ValueDecayed, Key, KeyDecayed >::Generator ( Source  source, Selector  selector  )

inline

Definition at line 1168 of file Base-inl.h.

        : source_(std::move(source)), selector_(std::move(selector)) {}

Member Function Documentation

template<class Selector >

template<class Value , class Source , class ValueDecayed = typename std::decay<Value>::type, class Key = invoke_result_t<Selector, Value>, class KeyDecayed = typename std::decay<Key>::type>

template<class Handler >

bool folly::gen::detail::GroupBy< Selector >::Generator< Value, Source, ValueDecayed, Key, KeyDecayed >::apply ( Handler &&  handler ) const

inline

Definition at line 1174 of file Base-inl.h.

References group, handler(), folly::gen::move, value, and testing::Value().

                                        {
      std::unordered_map<KeyDecayed, typename GroupType::VectorType> groups;
      source_ | [&](Value value) {
        const Value& cv = value;
        auto& group = groups[selector_(cv)];
        group.push_back(std::forward<Value>(value));
      };
      for (auto& kg : groups) {
        GroupType group(kg.first, std::move(kg.second));
        if (!handler(std::move(group))) {
          return false;
        }
        kg.second.clear();
      }
      return true;
    }

Member Data Documentation

template<class Selector >

template<class Value , class Source , class ValueDecayed = typename std::decay<Value>::type, class Key = invoke_result_t<Selector, Value>, class KeyDecayed = typename std::decay<Key>::type>

constexpr bool folly::gen::detail::GroupBy< Selector >::Generator< Value, Source, ValueDecayed, Key, KeyDecayed >::infinite = false

static

Definition at line 1192 of file Base-inl.h.

template<class Selector >

template<class Value , class Source , class ValueDecayed = typename std::decay<Value>::type, class Key = invoke_result_t<Selector, Value>, class KeyDecayed = typename std::decay<Key>::type>

Selector folly::gen::detail::GroupBy< Selector >::Generator< Value, Source, ValueDecayed, Key, KeyDecayed >::selector_

private

Definition at line 1165 of file Base-inl.h.

template<class Selector >

template<class Value , class Source , class ValueDecayed = typename std::decay<Value>::type, class Key = invoke_result_t<Selector, Value>, class KeyDecayed = typename std::decay<Key>::type>

Source folly::gen::detail::GroupBy< Selector >::Generator< Value, Source, ValueDecayed, Key, KeyDecayed >::source_

private

Definition at line 1163 of file Base-inl.h.

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The documentation for this class was generated from the following file:

• proxygen/folly/folly/gen/Base-inl.h