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函数1:exercises/functions/functions1.rs
题目
rust
// functions1.rs
//
// Execute `rustlings hint functions1` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
fn main() {
call_me();
}
题目解析
编译器报错信息如下:
txt
⚠️ Compiling of exercises/functions/functions1.rs failed! Please try again. Here's the output:
error[E0425]: cannot find function `call_me` in this scope
--> exercises/functions/functions1.rs:9:5
|
9 | call_me();
| ^^^^^^^ not found in this scope
error: aborting due to previous error
For more information about this error, try `rustc --explain E0425`.
报错提示我们,函数call_me
在当前作用域不存在。
根据调用的形式call_me()
,我们知道这个函数不接受任何参数,并且没有返回值。所以我们添加以下这个函数的代码:
rust
fn main() {
call_me();
}
fn call_me() {}