Use 2018 Edition

blogscot · blogscot · commit 380477cbc2fc · 2018-08-31T14:29:35.000+01:00
diff --git a/parallel-letter-frequency/Cargo.toml b/parallel-letter-frequency/Cargo.toml
@@ -1,3 +1,9 @@
+cargo-features = ["edition"]
+
 [package]
+edition = '2018'
 name = "parallel-letter-frequency"
-version = "0.0.0"
+version = "0.0.0"
+authors = ["iain"]
+
+[dependencies]
