【笔记】Comprehensive Rust语言学习

application) `hello_world` package$ cd hello_world$ cargo run Compiling hello_world v0.1.0 (/home/skylink ("x: {x}");}root@aqnlc-ubuntu-134-93:/home/skylink/code/hello_world# cargo run Compiling hello_world v0.1.0 (/home/skylink/code/hello_world)error[E0384]: cannot assign twice to immutable variable `x` -