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-rw-r--r--src/syntax/func/maps.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/syntax/func/maps.rs b/src/syntax/func/maps.rs
index eb4c8394..691b3d36 100644
--- a/src/syntax/func/maps.rs
+++ b/src/syntax/func/maps.rs
@@ -16,7 +16,7 @@ use super::*;
/// list that needs to be passed to those functions.
///
/// All entries need to have span information to enable the error reporting.
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Default, Clone, Eq, PartialEq)]
pub struct DedupMap<K, V> where K: Eq {
map: Vec<Spanned<(K, V)>>,
}