File: overloads.cpp

package info (click to toggle)
rdkit 201809.1%2Bdfsg-6
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 123,688 kB
  • sloc: cpp: 230,509; python: 70,501; java: 6,329; ansic: 5,427; sql: 1,899; yacc: 1,739; lex: 1,243; makefile: 445; xml: 229; fortran: 183; sh: 123; cs: 93
file content (42 lines) | stat: -rw-r--r-- 1,085 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
//
//  Copyright (C) 2003 Rational Discovery LLC
//

#include <boost/python.hpp>
namespace python = boost::python;

// ------
//
// This one is relatively easy:
//   expose a function with a default argument
//
// ------
int func2(int v1, int plus = 3);
int func2(int v1, int plus) { return v1 + plus; };
BOOST_PYTHON_FUNCTION_OVERLOADS(f2_overloads, func2, 1, 2)

// ------
//
// More complex:
//   expose a templated function with a default argument
//
// ------
template <typename T>
T func(T v1, int plus = 3);

template <typename T>
T func(T v1, int plus) {
  return v1 + plus;
}

int (*f1_int)(int, int = 3) = func;  // gotta love that syntax!
BOOST_PYTHON_FUNCTION_OVERLOADS(f1_int_overloads, f1_int, 1, 2)
float (*f1_float)(float, int = 3) = func;
BOOST_PYTHON_FUNCTION_OVERLOADS(f1_float_overloads, f1_float, 1, 2)

BOOST_PYTHON_MODULE(overloads) {
  python::def("f2", func2, f2_overloads(python::args("v1", "plus")));

  python::def("f1", f1_int, f1_int_overloads(python::args("v1", "plus")));
  python::def("f1", f1_float, f1_float_overloads(python::args("v1", "plus")));
}