[PATCH] ruby: fix initialization of new_corridor.boundary_curves in Corridor#split

[Sylvain Joyeux]

The issue was that accessing new_corridor.boundary_curves creates
Spline objects, but the data is invalid (zero dimension).

Set the whole array at once.
---
 ruby/corridor_plan.rb |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ruby/corridor_plan.rb b/ruby/corridor_plan.rb
index 2ac4210..decfd62 100644
--- a/ruby/corridor_plan.rb
+++ b/ruby/corridor_plan.rb
@@ -94,15 +94,17 @@ Typelib.specialize '/corridors/Corridor_m' do
         self.annotations[0] = old_annotations
         new_corridor.annotations[0] = new_annotations
 
+        boundaries = []
         2.times do |boundary_idx|
             boundary_pos = associated_boundary(position, boundary_idx, 0.01).inject(&:+) / 2
             result = boundary_curves[boundary_idx].split(boundary_pos)
-            new_corridor.boundary_curves[boundary_idx] = result
+            boundaries[boundary_idx] = result
 
             old_annotations, new_annotations = split_annotations(annotations[boundary_idx + 1], position)
             self.annotations[boundary_idx + 1] = old_annotations
             new_corridor.annotations[boundary_idx + 1] = new_annotations
         end
+        new_corridor.boundary_curves = boundaries
 
         new_corridor
     end
-- 
1.7.10


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