/usr/include/dlib/any/any_function.h is in libdlib-dev 18.18-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// License: Boost Software License See LICENSE.txt for the full license.
#ifndef DLIB_AnY_FUNCTION_Hh_
#define DLIB_AnY_FUNCTION_Hh_
#include "any.h"
#include "../smart_pointers.h"
#include "any_function_abstract.h"
namespace dlib
{
// ----------------------------------------------------------------------------------------
template <typename T>
struct sig_traits {};
template <
typename T
>
struct sig_traits<T ()>
{
typedef T result_type;
typedef void arg1_type;
typedef void arg2_type;
typedef void arg3_type;
typedef void arg4_type;
typedef void arg5_type;
typedef void arg6_type;
typedef void arg7_type;
typedef void arg8_type;
typedef void arg9_type;
typedef void arg10_type;
const static unsigned long num_args = 0;
};
template <
typename T,
typename A1
>
struct sig_traits<T (A1)>
{
typedef T result_type;
typedef A1 arg1_type;
typedef void arg2_type;
typedef void arg3_type;
typedef void arg4_type;
typedef void arg5_type;
typedef void arg6_type;
typedef void arg7_type;
typedef void arg8_type;
typedef void arg9_type;
typedef void arg10_type;
const static unsigned long num_args = 1;
};
template <
typename T,
typename A1, typename A2
>
struct sig_traits<T (A1,A2)>
{
typedef T result_type;
typedef A1 arg1_type;
typedef A2 arg2_type;
typedef void arg3_type;
typedef void arg4_type;
typedef void arg5_type;
typedef void arg6_type;
typedef void arg7_type;
typedef void arg8_type;
typedef void arg9_type;
typedef void arg10_type;
const static unsigned long num_args = 2;
};
template <
typename T,
typename A1, typename A2, typename A3
>
struct sig_traits<T (A1,A2,A3)>
{
typedef T result_type;
typedef A1 arg1_type;
typedef A2 arg2_type;
typedef A3 arg3_type;
typedef void arg4_type;
typedef void arg5_type;
typedef void arg6_type;
typedef void arg7_type;
typedef void arg8_type;
typedef void arg9_type;
typedef void arg10_type;
const static unsigned long num_args = 3;
};
template <
typename T,
typename A1, typename A2, typename A3,
typename A4
>
struct sig_traits<T (A1,A2,A3,A4)>
{
typedef T result_type;
typedef A1 arg1_type;
typedef A2 arg2_type;
typedef A3 arg3_type;
typedef A4 arg4_type;
typedef void arg5_type;
typedef void arg6_type;
typedef void arg7_type;
typedef void arg8_type;
typedef void arg9_type;
typedef void arg10_type;
const static unsigned long num_args = 4;
};
template <
typename T,
typename A1, typename A2, typename A3,
typename A4, typename A5
>
struct sig_traits<T (A1,A2,A3,A4,A5)>
{
typedef T result_type;
typedef A1 arg1_type;
typedef A2 arg2_type;
typedef A3 arg3_type;
typedef A4 arg4_type;
typedef A5 arg5_type;
typedef void arg6_type;
typedef void arg7_type;
typedef void arg8_type;
typedef void arg9_type;
typedef void arg10_type;
const static unsigned long num_args = 5;
};
template <
typename T,
typename A1, typename A2, typename A3,
typename A4, typename A5, typename A6
>
struct sig_traits<T (A1,A2,A3,A4,A5,A6)>
{
typedef T result_type;
typedef A1 arg1_type;
typedef A2 arg2_type;
typedef A3 arg3_type;
typedef A4 arg4_type;
typedef A5 arg5_type;
typedef A6 arg6_type;
typedef void arg7_type;
typedef void arg8_type;
typedef void arg9_type;
typedef void arg10_type;
const static unsigned long num_args = 6;
};
template <
typename T,
typename A1, typename A2, typename A3,
typename A4, typename A5, typename A6,
typename A7
>
struct sig_traits<T (A1,A2,A3,A4,A5,A6,A7)>
{
typedef T result_type;
typedef A1 arg1_type;
typedef A2 arg2_type;
typedef A3 arg3_type;
typedef A4 arg4_type;
typedef A5 arg5_type;
typedef A6 arg6_type;
typedef A7 arg7_type;
typedef void arg8_type;
typedef void arg9_type;
typedef void arg10_type;
const static unsigned long num_args = 7;
};
template <
typename T,
typename A1, typename A2, typename A3,
typename A4, typename A5, typename A6,
typename A7, typename A8
>
struct sig_traits<T (A1,A2,A3,A4,A5,A6,A7,A8)>
{
typedef T result_type;
typedef A1 arg1_type;
typedef A2 arg2_type;
typedef A3 arg3_type;
typedef A4 arg4_type;
typedef A5 arg5_type;
typedef A6 arg6_type;
typedef A7 arg7_type;
typedef A8 arg8_type;
typedef void arg9_type;
typedef void arg10_type;
const static unsigned long num_args = 8;
};
template <
typename T,
typename A1, typename A2, typename A3,
typename A4, typename A5, typename A6,
typename A7, typename A8, typename A9
>
struct sig_traits<T (A1,A2,A3,A4,A5,A6,A7,A8,A9)>
{
typedef T result_type;
typedef A1 arg1_type;
typedef A2 arg2_type;
typedef A3 arg3_type;
typedef A4 arg4_type;
typedef A5 arg5_type;
typedef A6 arg6_type;
typedef A7 arg7_type;
typedef A8 arg8_type;
typedef A9 arg9_type;
typedef void arg10_type;
const static unsigned long num_args = 9;
};
template <
typename T,
typename A1, typename A2, typename A3,
typename A4, typename A5, typename A6,
typename A7, typename A8, typename A9,
typename A10
>
struct sig_traits<T (A1,A2,A3,A4,A5,A6,A7,A8,A9,A10)>
{
typedef T result_type;
typedef A1 arg1_type;
typedef A2 arg2_type;
typedef A3 arg3_type;
typedef A4 arg4_type;
typedef A5 arg5_type;
typedef A6 arg6_type;
typedef A7 arg7_type;
typedef A8 arg8_type;
typedef A9 arg9_type;
typedef A10 arg10_type;
const static unsigned long num_args = 10;
};
// ----------------------------------------------------------------------------------------
template <
typename function_type,
// These arguments are used to control the overloading. A user should
// not mess with them.
typename Enabled = void,
unsigned long Num_args = sig_traits<function_type>::num_args
>
class any_function
{
private:
any_function() {}
/* !!!!!!!! ERRORS ON THE ABOVE LINE !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
An error on this line means you are trying to use a function signature
with more than the supported number of arguments. The current version
of dlib only supports up to 10 arguments.
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
};
// The following preprocessor commands build the various overloaded versions
// of any_function for different numbers of commands and void vs. non-void return
// types.
// 0 arguments
#define DLIB_ANY_FUNCTION_ARG_LIST
#define DLIB_ANY_FUNCTION_ARGS
#define DLIB_ANY_FUNCTION_NUM_ARGS 0
#include "any_function_impl2.h"
// 1 argument
#define DLIB_ANY_FUNCTION_ARG_LIST arg1_type a1
#define DLIB_ANY_FUNCTION_ARGS a1
#define DLIB_ANY_FUNCTION_NUM_ARGS 1
#include "any_function_impl2.h"
// 2 arguments
#define DLIB_ANY_FUNCTION_ARG_LIST arg1_type a1, arg2_type a2
#define DLIB_ANY_FUNCTION_ARGS a1,a2
#define DLIB_ANY_FUNCTION_NUM_ARGS 2
#include "any_function_impl2.h"
// 3 arguments
#define DLIB_ANY_FUNCTION_ARG_LIST arg1_type a1, arg2_type a2, arg3_type a3
#define DLIB_ANY_FUNCTION_ARGS a1,a2,a3
#define DLIB_ANY_FUNCTION_NUM_ARGS 3
#include "any_function_impl2.h"
// 4 arguments
#define DLIB_ANY_FUNCTION_ARG_LIST arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4
#define DLIB_ANY_FUNCTION_ARGS a1,a2,a3,a4
#define DLIB_ANY_FUNCTION_NUM_ARGS 4
#include "any_function_impl2.h"
// 5 arguments
#define DLIB_ANY_FUNCTION_ARG_LIST arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4, \
arg5_type a5
#define DLIB_ANY_FUNCTION_ARGS a1,a2,a3,a4,a5
#define DLIB_ANY_FUNCTION_NUM_ARGS 5
#include "any_function_impl2.h"
// 6 arguments
#define DLIB_ANY_FUNCTION_ARG_LIST arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4, \
arg5_type a5, arg6_type a6
#define DLIB_ANY_FUNCTION_ARGS a1,a2,a3,a4,a5,a6
#define DLIB_ANY_FUNCTION_NUM_ARGS 6
#include "any_function_impl2.h"
// 7 arguments
#define DLIB_ANY_FUNCTION_ARG_LIST arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4, \
arg5_type a5, arg6_type a6, arg7_type a7
#define DLIB_ANY_FUNCTION_ARGS a1,a2,a3,a4,a5,a6,a7
#define DLIB_ANY_FUNCTION_NUM_ARGS 7
#include "any_function_impl2.h"
// 8 arguments
#define DLIB_ANY_FUNCTION_ARG_LIST arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4, \
arg5_type a5, arg6_type a6, arg7_type a7, arg8_type a8
#define DLIB_ANY_FUNCTION_ARGS a1,a2,a3,a4,a5,a6,a7,a8
#define DLIB_ANY_FUNCTION_NUM_ARGS 8
#include "any_function_impl2.h"
// 9 arguments
#define DLIB_ANY_FUNCTION_ARG_LIST arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4, \
arg5_type a5, arg6_type a6, arg7_type a7, arg8_type a8, \
arg9_type a9
#define DLIB_ANY_FUNCTION_ARGS a1,a2,a3,a4,a5,a6,a7,a8,a9
#define DLIB_ANY_FUNCTION_NUM_ARGS 9
#include "any_function_impl2.h"
// 10 arguments
#define DLIB_ANY_FUNCTION_ARG_LIST arg1_type a1, arg2_type a2, arg3_type a3, arg4_type a4, \
arg5_type a5, arg6_type a6, arg7_type a7, arg8_type a8, \
arg9_type a9, arg10_type a10
#define DLIB_ANY_FUNCTION_ARGS a1,a2,a3,a4,a5,a6,a7,a8,a9,a10
#define DLIB_ANY_FUNCTION_NUM_ARGS 10
#include "any_function_impl2.h"
// ----------------------------------------------------------------------------------------
template <typename function_type>
inline void swap (
any_function<function_type>& a,
any_function<function_type>& b
) { a.swap(b); }
// ----------------------------------------------------------------------------------------
template <typename T, typename function_type>
T& any_cast(any_function<function_type>& a) { return a.template cast_to<T>(); }
template <typename T, typename function_type>
const T& any_cast(const any_function<function_type>& a) { return a.template cast_to<T>(); }
// ----------------------------------------------------------------------------------------
}
#endif // DLIB_AnY_FUNCTION_Hh_
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