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pass by value (#224)

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Hans Dembinski 2019-09-29 10:47:56 +02:00 committed by GitHub
parent 62a13a4103
commit bfa7edd5db
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1 changed files with 5 additions and 6 deletions
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11
include/boost/histogram/axis/regular.hpp
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@ -146,8 +146,8 @@ struct step_type {
Helper function to mark argument as step size.
*/
template <typename T>
auto step(T&& t) {
return step_type<T&&>{std::forward<T>(t)};
step_type<T> step(T t) {
return step_type<T>{t};
}
/**
@ -248,8 +248,8 @@ public:
* (start + n * step).
*/
template <class T>
regular(transform_type trans, const step_type<T>& step, value_type start,
value_type stop, metadata_type meta = {})
regular(transform_type trans, step_type<T> step, value_type start, value_type stop,
metadata_type meta = {})
: regular(trans, static_cast<index_type>(std::abs(stop - start) / step.value),
start,
start + static_cast<index_type>(std::abs(stop - start) / step.value) *
@ -268,8 +268,7 @@ public:
* (start + n * step).
*/
template <class T>
regular(const step_type<T>& step, value_type start, value_type stop,
metadata_type meta = {})
regular(step_type<T> step, value_type start, value_type stop, metadata_type meta = {})
: regular({}, step, start, stop, std::move(meta)) {}
/// Constructor used by algorithm::reduce to shrink and rebin (not for users).