chore: set edition to 2021 in rustfmt.toml

Some tools use rustfmt dirctly. Setting edition to 2021 in rustfmt.toml tells these tools to recognize new features added in edition 2021 such as async/await.
nervosnetwork · Apr 24, 2023 · a926b66 · a926b66
1 parent 6de945f
commit a926b66
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/rustfmt.toml b/rustfmt.toml
@@ -1,3 +1,4 @@
+edition = "2021"
 max_width = 100
 tab_spaces = 4
 reorder_imports = true