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-rw-r--r--digital/io-hub/src/robospierre/element.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/digital/io-hub/src/robospierre/element.h b/digital/io-hub/src/robospierre/element.h
index 362c7ff9..a31d9f4d 100644
--- a/digital/io-hub/src/robospierre/element.h
+++ b/digital/io-hub/src/robospierre/element.h
@@ -179,6 +179,10 @@ element_get (uint8_t element_id)
return element_table[element_id];
}
+/** Return whether an element is blocking robot. */
+uint8_t
+element_blocking (uint8_t element_id);
+
/** Return whether an element is blocking a line segment.
* - a: line segment first point.
* - b: line segment second point.