Introduce FunctionRef to replace std::function when not storing

std::function is not necessary when we just want to pass a type
erased callback that does not need to own its target. FunctionRef
provides that functionality for a much lower compile time cost.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/line_modification.cc b/src/line_modification.cc
index d052cb54..01ad22bf 100644
--- a/src/line_modification.cc
+++ b/src/line_modification.cc
@@ -145,7 +145,7 @@ void LineRangeSet::update(ConstArrayView<LineModification> modifs)
     erase(std::remove_if(begin(), end(), [](auto& r) { return r.begin >= r.end; }), end());
 }
 
-void LineRangeSet::add_range(LineRange range, std::function<void (LineRange)> on_new_range)
+void LineRangeSet::add_range(LineRange range, FunctionRef<void (LineRange)> on_new_range)
 {
     auto it = std::lower_bound(begin(), end(), range.begin,
                                [](LineRange range, LineCount line) { return range.end < line; });