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-rw-r--r--dhall_syntax/src/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/dhall_syntax/src/lib.rs b/dhall_syntax/src/lib.rs
index e4a6077..290f53c 100644
--- a/dhall_syntax/src/lib.rs
+++ b/dhall_syntax/src/lib.rs
@@ -3,6 +3,7 @@
#![feature(try_blocks)]
#![feature(never_type)]
#![feature(bind_by_move_pattern_guards)]
+#![feature(proc_macro_hygiene)]
#![allow(
clippy::many_single_char_names,
clippy::should_implement_trait,