rust - schedule

Test-Online

docs:

search doc for std lib.

• https://doc.rust-lang.org/std/process/struct.Child.html

qa.

• https://stackoverflow.com/questions/40392906/no-method-named-flush-found-for-type-stdiostdout-in-the-current-scope

search for google.

• stdout().flush() method not found on stdio::Stdout

refs

• https://zhuanlan.zhihu.com/p/66395385