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307 lines
12 KiB
307 lines
12 KiB
/*
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* Copyright 2014 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef FRUIT_COMPONENT_DEFN_H
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#define FRUIT_COMPONENT_DEFN_H
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#include <fruit/component.h>
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#include <fruit/impl/component_storage/component_storage.h>
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#include <fruit/impl/injection_errors.h>
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#include <fruit/impl/component_install_arg_checks.h>
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#include <memory>
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namespace fruit {
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namespace impl {
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namespace meta {
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// This is a helper class used in the implementation of Component and PartialComponent.
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// It's in fruit::impl::meta so that we don't need to qualify everything with fruit::impl::meta.
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template <typename... PreviousBindings>
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struct OpForComponent {
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template <typename Comp>
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using ConvertTo = Eval<Call(ReverseComposeFunctors(Id<ComponentFunctor(ConvertComponent, Comp)>,
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ProcessDeferredBindings, Id<ProcessBinding(PreviousBindings)>...),
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ConstructComponentImpl())>;
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template <typename Binding>
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using AddBinding =
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Eval<Call(ReverseComposeFunctors(Id<ProcessBinding(Binding)>, Id<ProcessBinding(PreviousBindings)>...),
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ConstructComponentImpl())>;
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};
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} // namespace meta
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} // namespace impl
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template <typename... Params>
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template <typename... Bindings>
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inline Component<Params...>::Component(PartialComponent<Bindings...>&& partial_component) noexcept : storage() {
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(void)typename fruit::impl::meta::CheckIfError<Comp>::type();
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using Op = typename fruit::impl::meta::OpForComponent<Bindings...>::template ConvertTo<Comp>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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#if !FRUIT_NO_LOOP_CHECK
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(void)typename fruit::impl::meta::CheckIfError<
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fruit::impl::meta::Eval<fruit::impl::meta::CheckNoLoopInDeps(typename Op::Result)>>::type();
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#endif // !FRUIT_NO_LOOP_CHECK
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std::size_t num_entries = partial_component.storage.numBindings() + Op().numEntries();
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fruit::impl::FixedSizeVector<fruit::impl::ComponentStorageEntry> entries(num_entries);
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Op()(entries);
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// addBindings may modify the storage member of PartialComponent.
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// Therefore, it should not be used after this operation.
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partial_component.storage.addBindings(entries);
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// TODO: re-enable this check somehow.
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// component.component.already_converted_to_component = true;
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FruitAssert(entries.size() == num_entries);
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storage = fruit::impl::ComponentStorage(std::move(entries));
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}
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inline PartialComponent<> createComponent() {
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return {{}};
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}
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template <typename... Bindings>
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template <typename AnnotatedI, typename AnnotatedC>
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inline PartialComponent<fruit::impl::Bind<AnnotatedI, AnnotatedC>, Bindings...> PartialComponent<Bindings...>::bind() {
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using Op = OpFor<fruit::impl::Bind<AnnotatedI, AnnotatedC>>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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return {{storage}};
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}
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template <typename... Bindings>
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template <typename AnnotatedSignature>
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inline PartialComponent<fruit::impl::RegisterConstructor<AnnotatedSignature>, Bindings...>
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PartialComponent<Bindings...>::registerConstructor() {
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using Op = OpFor<fruit::impl::RegisterConstructor<AnnotatedSignature>>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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return {{storage}};
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}
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template <typename... Bindings>
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template <typename C>
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inline PartialComponent<fruit::impl::BindInstance<C, C>, Bindings...>
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PartialComponent<Bindings...>::bindInstance(C& instance) {
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using Op = OpFor<fruit::impl::BindInstance<C, C>>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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return {{storage, instance}};
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}
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template <typename... Bindings>
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template <typename C>
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inline PartialComponent<fruit::impl::BindConstInstance<C, C>, Bindings...>
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PartialComponent<Bindings...>::bindInstance(const C& instance) {
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using Op = OpFor<fruit::impl::BindConstInstance<C, C>>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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return {{storage, instance}};
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}
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template <typename... Bindings>
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template <typename AnnotatedC, typename C>
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inline PartialComponent<fruit::impl::BindInstance<AnnotatedC, C>, Bindings...>
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PartialComponent<Bindings...>::bindInstance(C& instance) {
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using Op = OpFor<fruit::impl::BindInstance<AnnotatedC, C>>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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return {{storage, instance}};
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}
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template <typename... Bindings>
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template <typename AnnotatedC, typename C>
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inline PartialComponent<fruit::impl::BindConstInstance<AnnotatedC, C>, Bindings...>
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PartialComponent<Bindings...>::bindInstance(const C& instance) {
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using Op = OpFor<fruit::impl::BindConstInstance<AnnotatedC, C>>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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return {{storage, instance}};
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}
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template <typename... Bindings>
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template <typename Lambda>
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inline PartialComponent<fruit::impl::RegisterProvider<Lambda>, Bindings...>
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PartialComponent<Bindings...>::registerProvider(Lambda) {
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using Op = OpFor<fruit::impl::RegisterProvider<Lambda>>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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return {{storage}};
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}
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template <typename... Bindings>
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template <typename AnnotatedSignature, typename Lambda>
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inline PartialComponent<fruit::impl::RegisterProvider<AnnotatedSignature, Lambda>, Bindings...>
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PartialComponent<Bindings...>::registerProvider(Lambda) {
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using Op = OpFor<fruit::impl::RegisterProvider<AnnotatedSignature, Lambda>>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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return {{storage}};
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}
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template <typename... Bindings>
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template <typename AnnotatedI, typename AnnotatedC>
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inline PartialComponent<fruit::impl::AddMultibinding<AnnotatedI, AnnotatedC>, Bindings...>
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PartialComponent<Bindings...>::addMultibinding() {
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using Op = OpFor<fruit::impl::AddMultibinding<AnnotatedI, AnnotatedC>>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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return {{storage}};
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}
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template <typename... Bindings>
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template <typename C>
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inline PartialComponent<fruit::impl::AddInstanceMultibinding<C>, Bindings...>
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PartialComponent<Bindings...>::addInstanceMultibinding(C& instance) {
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using Op = fruit::impl::meta::Eval<fruit::impl::meta::CheckNormalizedTypes(
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fruit::impl::meta::Vector<fruit::impl::meta::Type<C>>)>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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return {{storage, instance}};
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}
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template <typename... Bindings>
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template <typename AnnotatedC, typename C>
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inline PartialComponent<fruit::impl::AddInstanceMultibinding<AnnotatedC>, Bindings...>
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PartialComponent<Bindings...>::addInstanceMultibinding(C& instance) {
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using Op = fruit::impl::meta::Eval<fruit::impl::meta::CheckNormalizedTypes(
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fruit::impl::meta::Vector<fruit::impl::meta::Type<C>>)>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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return {{storage, instance}};
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}
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template <typename... Bindings>
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template <typename C>
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inline PartialComponent<fruit::impl::AddInstanceVectorMultibindings<C>, Bindings...>
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PartialComponent<Bindings...>::addInstanceMultibindings(std::vector<C>& instances) {
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using Op = fruit::impl::meta::Eval<fruit::impl::meta::CheckNormalizedTypes(
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fruit::impl::meta::Vector<fruit::impl::meta::Type<C>>)>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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return {{storage, instances}};
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}
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template <typename... Bindings>
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template <typename AnnotatedC, typename C>
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inline PartialComponent<fruit::impl::AddInstanceVectorMultibindings<AnnotatedC>, Bindings...>
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PartialComponent<Bindings...>::addInstanceMultibindings(std::vector<C>& instances) {
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using Op = fruit::impl::meta::Eval<fruit::impl::meta::CheckNormalizedTypes(
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fruit::impl::meta::Vector<fruit::impl::meta::Type<C>>)>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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return {{storage, instances}};
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}
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template <typename... Bindings>
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template <typename Lambda>
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inline PartialComponent<fruit::impl::AddMultibindingProvider<Lambda>, Bindings...>
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PartialComponent<Bindings...>::addMultibindingProvider(Lambda) {
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using Op = OpFor<fruit::impl::AddMultibindingProvider<Lambda>>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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return {{storage}};
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}
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template <typename... Bindings>
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template <typename AnnotatedSignature, typename Lambda>
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inline PartialComponent<fruit::impl::AddMultibindingProvider<AnnotatedSignature, Lambda>, Bindings...>
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PartialComponent<Bindings...>::addMultibindingProvider(Lambda) {
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using Op = OpFor<fruit::impl::AddMultibindingProvider<AnnotatedSignature, Lambda>>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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return {{storage}};
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}
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template <typename... Bindings>
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template <typename DecoratedSignature, typename Lambda>
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inline PartialComponent<fruit::impl::RegisterFactory<DecoratedSignature, Lambda>, Bindings...>
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PartialComponent<Bindings...>::registerFactory(Lambda) {
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using Op = OpFor<fruit::impl::RegisterFactory<DecoratedSignature, Lambda>>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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return {{storage}};
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}
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template <typename... Bindings>
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inline PartialComponent<Bindings...>::PartialComponent(fruit::impl::PartialComponentStorage<Bindings...> storage)
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: storage(std::move(storage)) {}
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template <typename... Bindings>
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template <typename... OtherComponentParams, typename... FormalArgs, typename... Args>
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inline PartialComponent<fruit::impl::InstallComponent<fruit::Component<OtherComponentParams...>(FormalArgs...)>,
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Bindings...>
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PartialComponent<Bindings...>::install(fruit::Component<OtherComponentParams...> (*getComponent)(FormalArgs...),
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Args&&... args) {
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using IntCollector = int[];
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(void)IntCollector{0, fruit::impl::checkAcceptableComponentInstallArg<FormalArgs>()...};
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using Op = OpFor<fruit::impl::InstallComponent<fruit::Component<OtherComponentParams...>(FormalArgs...)>>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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std::tuple<FormalArgs...> args_tuple{std::forward<Args>(args)...};
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return {{storage, getComponent, std::move(args_tuple)}};
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}
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template <typename... Bindings>
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template <typename... ComponentFunctions>
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inline PartialComponent<fruit::impl::InstallComponentFunctions<ComponentFunctions...>, Bindings...>
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PartialComponent<Bindings...>::installComponentFunctions(ComponentFunctions... componentFunctions) {
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using Op = OpFor<fruit::impl::InstallComponentFunctions<ComponentFunctions...>>;
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(void)typename fruit::impl::meta::CheckIfError<Op>::type();
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std::tuple<ComponentFunctions...> component_functions_tuple{std::move(componentFunctions)...};
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return {{storage, std::move(component_functions_tuple)}};
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}
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template <typename... Bindings>
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template <typename... OtherComponentParams, typename... FormalArgs, typename... Args>
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inline typename PartialComponent<Bindings...>::template PartialComponentWithReplacementInProgress<
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fruit::Component<OtherComponentParams...>, FormalArgs...>
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PartialComponent<Bindings...>::replace(fruit::Component<OtherComponentParams...> (*getReplacedComponent)(FormalArgs...),
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Args&&... args) {
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using IntCollector = int[];
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(void)IntCollector{0, fruit::impl::checkAcceptableComponentInstallArg<FormalArgs>()...};
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std::tuple<FormalArgs...> args_tuple{std::forward<Args>(args)...};
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return {{storage, getReplacedComponent, std::move(args_tuple)}};
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}
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template <typename... Bindings>
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template <typename OtherComponent, typename... GetReplacedComponentFormalArgs>
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template <typename... GetReplacementComponentFormalArgs, typename... Args>
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inline PartialComponent<fruit::impl::ReplaceComponent<OtherComponent(GetReplacedComponentFormalArgs...),
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OtherComponent(GetReplacementComponentFormalArgs...)>,
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Bindings...>
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PartialComponent<Bindings...>::
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PartialComponentWithReplacementInProgress<OtherComponent, GetReplacedComponentFormalArgs...>::with(
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OtherComponent (*getReplacementComponent)(GetReplacementComponentFormalArgs...), Args&&... args) {
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using IntCollector = int[];
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(void)IntCollector{0, fruit::impl::checkAcceptableComponentInstallArg<GetReplacementComponentFormalArgs>()...};
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std::tuple<GetReplacementComponentFormalArgs...> args_tuple{std::forward<Args>(args)...};
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return {{storage, getReplacementComponent, std::move(args_tuple)}};
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}
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} // namespace fruit
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#endif // FRUIT_COMPONENT_DEFN_H
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