Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

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vector_tie
Description

Constructs a tie using a vector sequence.

Synopsis
template <typename T0, typename T1,... typename TN>
vector<T0&, T1&,... TN&>
vector_tie(T0& x0, T1& x1... TN& xN);

The variadic function accepts 0 to FUSION_MAX_VECTOR_SIZE elements, where FUSION_MAX_VECTOR_SIZE is a user definable predefined maximum that defaults to 10. You may define the preprocessor constant FUSION_MAX_VECTOR_SIZE before including any Fusion header to change the default. Example:

#define FUSION_MAX_VECTOR_SIZE 20
Parameters

Parameter

Requirement

Description

x0, x1,... xN

Instances of T0, T1,... TN

The arguments to vector_tie

Expression Semantics
vector_tie(x0, x1,... xN);

Return type: vector<T0&, T1&,... TN&>

Semantics: Create a vector of references from x0, x1,... xN.

Header
#include <boost/fusion/container/generation/vector_tie.hpp>
#include <boost/fusion/include/vector_tie.hpp>
Example
int i = 123;
double d = 123.456;
vector_tie(i, d)

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