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-rw-r--r--src/attacks.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/attacks.rs b/src/attacks.rs
index 376e666..d0f2ddd 100644
--- a/src/attacks.rs
+++ b/src/attacks.rs
@@ -35,7 +35,7 @@ enum Direction {
NoWe,
}
-#[derive(Debug, Clone, PartialEq, Eq)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub struct Attacks {
pub knight: AttackTable,
pub king: AttackTable,