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教程
参考
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参考
C 库
<cassert> (assert.h)
<cctype> (ctype.h)
<cerrno> (errno.h)
C++11
<cfenv> (fenv.h)
<cfloat> (float.h)
C++11
<cinttypes> (inttypes.h)
<ciso646> (iso646.h)
<climits> (limits.h)
<clocale> (locale.h)
<cmath> (math.h)
<csetjmp> (setjmp.h)
<csignal> (signal.h)
<cstdarg> (stdarg.h)
C++11
<cstdbool> (stdbool.h)
<cstddef> (stddef.h)
C++11
<cstdint> (stdint.h)
<cstdio> (stdio.h)
<cstdlib> (stdlib.h)
<cstring> (string.h)
C++11
<ctgmath> (tgmath.h)
<ctime> (time.h)
C++11
<cuchar> (uchar.h)
<cwchar> (wchar.h)
<cwctype> (wctype.h)
容器
C++11
<array>
<deque>
C++11
<forward_list>
<list>
<map>
<queue>
<set>
<stack>
C++11
<unordered_map>
C++11
<unordered_set>
<vector>
输入/输出
<fstream>
<iomanip>
<ios>
<iosfwd>
<iostream>
<istream>
<ostream>
<sstream>
<streambuf>
多线程
C++11
<atomic>
C++11
<condition_variable>
C++11
<future>
C++11
<mutex>
C++11
<thread>
其他
<algorithm>
<bitset>
C++11
<chrono>
C++11
<codecvt>
<complex>
<exception>
<functional>
C++11
<initializer_list>
<iterator>
<limits>
<locale>
<memory>
<new>
<numeric>
C++11
<random>
C++11
<ratio>
C++11
<regex>
<stdexcept>
<string>
C++11
<system_error>
C++11
<tuple>
C++11
<type_traits>
C++11
<typeindex>
<typeinfo>
<utility>
<valarray>
<locale>
has_facet
locale
use_facet
C++11
wbuffer_convert
C++11
wstring_convert
函数
isalnum
isalpha
C++11
isblank
iscntrl
isdigit
isgraph
islower
isprint
ispunct
isspace
isupper
isxdigit
tolower
toupper
标准刻面
codecvt
codecvt_base
codecvt_byname
collate
collate_byname
ctype
ctype_base
ctype_byname
messages
messages_base
messages_byname
money_base
money_get
money_put
moneypunct
moneypunct_byname
num_get
num_put
numpunct
numpunct_byname
time_base
time_get
time_get_byname
time_put
time_put_byname
moneypunct
moneypunct::moneypunct
公共成员函数
moneypunct::curr_symbol
moneypunct::decimal_point
moneypunct::frac_digits
moneypunct::grouping
moneypunct::neg_format
moneypunct::negative_sign
moneypunct::pos_format
moneypunct::positive_sign
moneypunct::thousands_sep
受保护成员
moneypunct::~moneypunct
moneypunct::do_curr_symbol
moneypunct::do_decimal_point
moneypunct::do_frac_digits
moneypunct::do_grouping
moneypunct::do_neg_format
moneypunct::do_negative_sign
moneypunct::do_pos_format
moneypunct::do_positive_sign
moneypunct::do_thousands_sep
参考
<locale>
moneypunct
do_frac_digits
受保护的虚拟成员函数
<locale>
std::
moneypunct
::do_frac_digits
int do_frac_digits() const;
返回小数位数 [virtual]
由
moneypunct::frac_digits
调用以获取
小数位数
的受保护虚拟成员函数。
多态派生类可以覆盖此函数的行为。
有关
moneypunct
中的默认行为，请参见
moneypunct::frac_digits
。
另见
moneypunct::frac_digits
返回小数位数
(public member function)