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Improvement of the move semantics on various objects:

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The source object will be empty after the move operation.
This commit is contained in:
bubnikv
2017-01-20 14:39:44 +01:00
parent d5f9db76b3
commit 29b986fa76
9 changed files with 79 additions and 52 deletions
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22
xs/src/libslic3r/Polyline.hpp
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@@ -27,10 +27,12 @@ public:
void append(const Points::const_iterator &begin, const Points::const_iterator &end) { this->points.insert(this->points.end(), begin, end); }
void append(Points &&src)
{
if (this->points.empty())
if (this->points.empty()) {
this->points = std::move(src);
else
std::move(std::begin(src), std::end(src), std::back_inserter(this->points));
} else {
this->points.insert(this->points.end(), src.begin(), src.end());
src.clear();
}
}
void append(const Polyline &src)
{
@@ -39,10 +41,12 @@ public:
void append(Polyline &&src)
{
if (this->points.empty())
if (this->points.empty()) {
this->points = std::move(src.points);
else
std::move(std::begin(src.points), std::end(src.points), std::back_inserter(this->points));
} else {
this->points.insert(this->points.end(), src.points.begin(), src.points.end());
src.points.clear();
}
}
operator Polylines() const;
@@ -99,10 +103,12 @@ inline void polylines_append(Polylines &dst, const Polylines &src)
inline void polylines_append(Polylines &dst, Polylines &&src)
{
if (dst.empty())
if (dst.empty()) {
dst = std::move(src);
else
} else {
std::move(std::begin(src), std::end(src), std::back_inserter(dst));
src.clear();
}
}
class ThickPolyline : public Polyline {