added rust 2018 edition

1 files changed, 1 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 15e3f5c..c1396d8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,6 +6,7 @@ readme = "README.md"
 keywords = ["pdf", "form"]
 description = "A library for programatically filling out pdf forms"
 license = "MIT"
+edition = "2018"
 
 [dependencies]
 bitflags = "^1.2"