hello_exercism 0.4.8

how to create an own crate
Documentation
[dependencies.i_crate]
package = "hello_extern"
version = "0.1.1"

[package]
authors = ["cnruby <gudao.luo@gmail.com>"]
description = "how to create an own crate"
documentation = "https://cnruby.github.io/learn-rust-by-crates/hello-world/hello_exercism/"
edition = "2018"
homepage = "https://crates.io/crates/hello_exercism"
license = "MIT OR Apache-2.0"
name = "hello_exercism"
readme = "README.md"
repository = "https://github.com/cnruby/learn-rust-by-crates/tree/master/hello-world"
version = "0.4.8"