Loading [MathJax]/extensions/tex2jax.js
The Gaudi Framework
master (d98a2936)
Main Page
Related Pages
Modules
Namespaces
Namespace List
Namespace Members
All
_
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
Functions
_
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
r
s
t
u
v
w
x
Variables
_
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
Typedefs
a
b
c
d
e
f
h
i
l
m
o
p
r
s
t
u
v
w
x
Enumerations
Enumerator
a
b
c
d
e
f
g
h
i
k
l
m
n
o
p
q
r
s
t
u
v
w
y
Classes
Class List
Class Index
Class Hierarchy
Class Members
All
:
_
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
~
Functions
_
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
~
Variables
_
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
Typedefs
_
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
Enumerations
a
c
d
e
f
i
l
m
n
o
p
q
r
s
t
v
Enumerator
a
b
c
d
e
f
i
j
k
l
m
n
o
p
r
s
t
u
v
w
Properties
Related Functions
:
a
b
c
d
e
g
h
i
m
o
p
r
s
t
Files
File List
File Members
All
_
a
b
c
d
e
f
g
h
i
k
l
m
n
o
p
q
r
s
t
u
v
w
x
z
Functions
_
b
c
e
f
g
h
i
l
m
o
p
r
s
t
u
z
Variables
a
b
c
d
e
g
h
i
m
o
p
q
r
s
t
v
x
Typedefs
_
a
b
c
d
e
f
g
h
i
l
m
n
o
p
r
s
t
u
w
Enumerations
Enumerator
Macros
_
a
c
d
e
f
g
h
i
k
l
m
n
o
p
r
s
t
u
v
•
All
Classes
Namespaces
Files
Functions
Variables
Typedefs
Enumerations
Enumerator
Properties
Friends
Macros
Modules
Pages
compose.h
Go to the documentation of this file.
1
/***********************************************************************************\
2
* (c) Copyright 1998-2025 CERN for the benefit of the LHCb and ATLAS collaborations *
3
* *
4
* This software is distributed under the terms of the Apache version 2 licence, *
5
* copied verbatim in the file "LICENSE". *
6
* *
7
* In applying this licence, CERN does not waive the privileges and immunities *
8
* granted to it by virtue of its status as an Intergovernmental Organization *
9
* or submit itself to any jurisdiction. *
10
\***********************************************************************************/
11
#pragma once
12
13
#include <utility>
// std::forward, std::move (objects)
14
15
namespace
Gaudi
{
16
17
namespace
details
{
18
19
// C++17 version: https://godbolt.org/g/YdcvGg
20
template
<
typename
... lambda_ts>
21
struct
overloaded_t
: lambda_ts... {
22
using
lambda_ts::operator()...;
23
};
24
template
<
typename
... lambda_ts>
25
overloaded_t
( lambda_ts... ) ->
overloaded_t
<lambda_ts...>;
26
27
}
// namespace details
28
29
//
30
// Create an object with an overloaded call operator by 'composing'/'joining'
31
// a set of callables (such as lambdas)
32
//
33
// see eg. the example at http://en.cppreference.com/w/cpp/utility/variant/visit
34
// for an example of why this is usefull
35
//
36
template
<
typename
... lambda_ts>
37
auto
overload
( lambda_ts&&... lambdas ) {
38
return
details::overloaded_t
{ std::forward<lambda_ts>( lambdas )... };
39
}
40
}
// namespace Gaudi
41
42
// for backwards compatibility
43
// [[deprecated("please use Gaudi::overload instead of compose")]]
44
template
<
typename
... lambda_ts>
45
auto
compose
( lambda_ts&&... lambdas ) {
46
return
Gaudi::overload
( std::forward<lambda_ts>( lambdas )... );
47
}
details
Definition:
AnyDataWrapper.h:19
Gaudi
This file provides a Grammar for the type Gaudi::Accumulators::Axis It allows to use that type from p...
Definition:
__init__.py:1
Gaudi::details::overloaded_t
Definition:
compose.h:21
compose
auto compose(lambda_ts &&... lambdas)
Definition:
compose.h:45
Gaudi::details::overloaded_t
overloaded_t(lambda_ts...) -> overloaded_t< lambda_ts... >
Gaudi::overload
auto overload(lambda_ts &&... lambdas)
Definition:
compose.h:37
GaudiKernel
include
GaudiKernel
compose.h
Generated on Wed Aug 13 2025 09:05:03 for The Gaudi Framework by
1.8.18