update多线程‘

’
3 years ago · 95c24c394c
parent f9f56063f4 a59656995d
commit 95c24c394c
1 changed files with 2 additions and 0 deletions
--- a/book/book.toml
+++ b/book/book.toml
@ -19,3 +19,5 @@ line-numbers = true
 enable = true
 level = 2

+[rust]
+edition = "2021"   #在线运行用2021版本的