Add basic support for signals

[r2c2.git] / source / libr2c2 / train.h

diff --git a/source/libr2c2/train.h b/source/libr2c2/train.h
index f8f7bfb51159778549b02afed6de47fa38f98b23..e16f726c5bebf78bbb56b091c82f11739cca1108 100644 (file)
--- a/source/libr2c2/train.h
+++ b/source/libr2c2/train.h
@@ -142,7 +142,7 @@ public:
        bool is_placed() const { return !blocks.empty(); }
        bool free_block(Block &);
        void free_noncritical_blocks();
-       int get_entry_to_block(Block &) const;
+       int get_entry_to_block(const Block &) const;
        float get_reserved_distance() const;
 
        void tick(const Msp::Time::TimeStamp &, const Msp::Time::TimeDelta &);