hello-world rust

01-hello-world

$ rustup show
Default host: x86_64-apple-darwin

installed toolchains
--------------------

stable-x86_64-apple-darwin
beta-x86_64-apple-darwin
nightly-x86_64-apple-darwin (default)

active toolchain
----------------

nightly-x86_64-apple-darwin (default)
rustc 1.15.0-nightly (daf8c1dfc 2016-12-05)

# create a hello-world binary
$ cargo new hello-world --bin

$ cd hello-world

$ tree
.
├── Cargo.toml
└── src
    └── main.rs

1 directory, 2 files

$ cargo build
   Compiling hello-world v0.1.0 (file:///private/tmp/hello-world)
    Finished debug [unoptimized + debuginfo] target(s) in 3.30 secs
$ cargo run
    Finished debug [unoptimized + debuginfo] target(s) in 0.0 secs
     Running `target/debug/hello-world`
Hello, world!

Cargo.toml

[package]
name = "hello-world"
version = "0.1.0"
authors = ["Pradip Caulagi <caulagi@gmail.com>"]

[dependencies]

main.rs

fn main() {
    println!("Hello, world!");
}