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……世界上最受推崇和设计精良的 C++ 库项目之一。 Herb SutterAndrei Alexandrescu,《C++ 编码规范

basic_file::basic_file - Boost C++ 函数库
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构造一个basic_file,但不打开它。

explicit basic_file(
    const executor_type & ex);
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template<
    typename ExecutionContext>
explicit basic_file(
    ExecutionContext & context,
    constraint_t< is_convertible< ExecutionContext &, execution_context & >::value, defaulted_constraint >  = defaulted_constraint());
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构造并打开一个basic_file

explicit basic_file(
    const executor_type & ex,
    const char * path,
    file_base::flags open_flags);
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template<
    typename ExecutionContext>
explicit basic_file(
    ExecutionContext & context,
    const char * path,
    file_base::flags open_flags,
    constraint_t< is_convertible< ExecutionContext &, execution_context & >::value, defaulted_constraint >  = defaulted_constraint());
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explicit basic_file(
    const executor_type & ex,
    const std::string & path,
    file_base::flags open_flags);
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template<
    typename ExecutionContext>
explicit basic_file(
    ExecutionContext & context,
    const std::string & path,
    file_base::flags open_flags,
    constraint_t< is_convertible< ExecutionContext &, execution_context & >::value, defaulted_constraint >  = defaulted_constraint());
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基于现有的原生文件句柄构造一个basic_file

basic_file(
    const executor_type & ex,
    const native_handle_type & native_file);
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基于现有的原生文件构造一个basic_file

template<
    typename ExecutionContext>
basic_file(
    ExecutionContext & context,
    const native_handle_type & native_file,
    constraint_t< is_convertible< ExecutionContext &, execution_context & >::value, defaulted_constraint >  = defaulted_constraint());
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从另一个basic_file移动构造。

basic_file(
    basic_file && other);
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从另一个执行器类型的文件移动构造一个basic_file

template<
    typename Executor1>
basic_file(
    basic_file< Executor1 > && other,
    constraint_t< is_convertible< Executor1, Executor >::value, defaulted_constraint >  = defaulted_constraint());
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