Cleanup: ATTR_RADIUS unused warning with clang

source/blender/blenkernel/BKE_curves.hh

@@ -214,6 +214,9 @@ class CurvesGeometry : public ::CurvesGeometry {
   Span<float3> positions() const;
   MutableSpan<float3> positions_for_write();
 
+  VArray<float> radius() const;
+  MutableSpan<float> radius_for_write();
+
   /** Whether the curve loops around to connect to itself, on the curve domain. */
   VArray<bool> cyclic() const;
   /** Mutable access to curve cyclic values. Call #tag_topology_changed after changes. */

source/blender/blenkernel/intern/curves_geometry.cc

@@ -359,6 +359,15 @@ MutableSpan<float3> CurvesGeometry::positions_for_write()
   return get_mutable_attribute<float3>(*this, AttrDomain::Point, ATTR_POSITION);
 }
 
+VArray<float> CurvesGeometry::radius() const
+{
+  return get_varray_attribute<float>(*this, AttrDomain::Point, ATTR_RADIUS, 0.01f);
+}
+MutableSpan<float> CurvesGeometry::radius_for_write()
+{
+  return get_mutable_attribute<float>(*this, AttrDomain::Point, ATTR_RADIUS);
+}
+
 Span<int> CurvesGeometry::offsets() const
 {
   if (this->curve_num == 0) {