Для unordered_map я установил начальное количество сегментов следующим образом:
unordered_map<string, dictionaryWord> dictionary(17749); // set initial bucket count to 17749
Этот способ не работает для unordered_set.
/*line 150*/ unsigned char mask;
/*line 151*/ unordered_set<QueryID> query_id(109); // set initial bucket count to 109
Ошибка компилятора = 1) ожидаемый идентификатор перед числовой константой. 2) ожидается ‘,’ или ‘…’ перед числовой константой. И дальше с кучей ошибок
Как сделать то же самое для unordered_set?
Спасибо.
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Нет ошибок, если я удалю "(109)"
"/usr/bin/make" -f nbproject/Makefile-Release.mk QMAKE= SUBPROJECTS= .clean-conf
make[1]: Entering directory `/home/petros/NetBeansProjects/ACM_test'
rm -f -r build/Release
rm -f dist/Release/GNU-Linux-x86/acm_test
make[1]: Leaving directory `/home/petros/NetBeansProjects/ACM_test'
CLEAN SUCCESSFUL (total time: 80ms)
"/usr/bin/make" -f nbproject/Makefile-Release.mk QMAKE= SUBPROJECTS= .build-conf
make[1]: Entering directory `/home/petros/NetBeansProjects/ACM_test'
"/usr/bin/make" -f nbproject/Makefile-Release.mk dist/Release/GNU-Linux-x86/acm_test
make[2]: Entering directory `/home/petros/NetBeansProjects/ACM_test'
mkdir -p build/Release/GNU-Linux-x86/ref_impl
rm -f build/Release/GNU-Linux-x86/ref_impl/core.o.d
g++ -pthread -O3 -std=c++11 -c -O2 -pthread -O3 -std=c++11 -MMD -MP -MF build/Release/GNU-Linux-x86/ref_impl/core.o.d -o build/Release/GNU-Linux-x86/ref_impl/core.o ref_impl/core.cpp
ref_impl/core.cpp:151:37: error: expected identifier before numeric constant
ref_impl/core.cpp:151:37: error: expected ‘,’ or ‘...’ before numeric constant
ref_impl/core.cpp: In function ‘ErrorCode StartQuery(QueryID, const char*, MatchType, unsigned int)’:
ref_impl/core.cpp:250:24: error: expected unqualified-id before ‘(’ token
ref_impl/core.cpp:250:38: error: missing template arguments before ‘)’ token
ref_impl/core.cpp:250:39: error: expected ‘;’ before ‘query_id’
ref_impl/core.cpp:257:19: error: ‘query.SameQueries::query_id’ does not have class type
ref_impl/core.cpp: In function ‘ErrorCode EndQuery(QueryID)’:
ref_impl/core.cpp:265:44: error: ‘queries.std::vector<_Tp, _Alloc>::operator[]<SameQueries, std::allocator<SameQueries> >(((std::vector<SameQueries>::size_type)i)).SameQueries::query_id’ does not have class type
ref_impl/core.cpp:265:58: error: unable to deduce ‘const auto’ from ‘<expression error>’
ref_impl/core.cpp:266:38: error: ‘queries.std::vector<_Tp, _Alloc>::operator[]<SameQueries, std::allocator<SameQueries> >(((std::vector<SameQueries>::size_type)i)).SameQueries::query_id’ does not have class type
ref_impl/core.cpp:267:32: error: ‘queries.std::vector<_Tp, _Alloc>::operator[]<SameQueries, std::allocator<SameQueries> >(((std::vector<SameQueries>::size_type)i)).SameQueries::query_id’ does not have class type
ref_impl/core.cpp:268:36: error: ‘queries.std::vector<_Tp, _Alloc>::operator[]<SameQueries, std::allocator<SameQueries> >(((std::vector<SameQueries>::size_type)i)).SameQueries::query_id’ does not have class type
ref_impl/core.cpp: In function ‘void* TaskCode(void*)’:
ref_impl/core.cpp:463:41: error: ‘quer.SameQueries::query_id’ does not have class type
ref_impl/core.cpp:463:48: error: unable to deduce ‘auto’ from ‘<expression error>’
ref_impl/core.cpp:463:70: error: ‘quer.SameQueries::query_id’ does not have class type
make[2]: *** [build/Release/GNU-Linux-x86/ref_impl/core.o] Error 1
make[2]: Leaving directory `/home/petros/NetBeansProjects/ACM_test'
make[1]: *** [.build-conf] Error 2
make[1]: Leaving directory `/home/petros/NetBeansProjects/ACM_test'
make: *** [.build-impl] Error 2
BUILD FAILED (exit value 2, total time: 1s)
explicit unordered_set( size_type bucket_count = /*implementation-defined*/, const Hash& hash = Hash(), const KeyEqual& equal = KeyEqual(), const Allocator& alloc = Allocator() );
- person chris   schedule 06.04.2013std::hash
дляWID
? - person Andy Prowl   schedule 06.04.2013WID
. - person chris   schedule 06.04.2013#include <unordered_set>
? - person Andy Prowl   schedule 06.04.2013QueryID
- person Andy Prowl   schedule 06.04.2013