Rust language - cargo, crates io

release profile:

It's predefined

Customizable : Different configurations can be used , Have more control over code compilation

Every profile The configuration of is independent of others profile

cargo Two main profile:

—dev profile: For development cargo build

—release profile: Apply to Publishing cargo build --release

# Generally, the following settings are made 
[profile.dev]
opt-level = 0

[profile.release]
opt-level = 3

Release crate To crates.io

Use cargo doc --open The order can change crate Upload to crates.io Website and open this website

///: Documentation Comments

//！: A note describing the outer entry

pub use Export easy-to-use public API

For example, if you call a deep structure parameter

use xzc::x::z::c It's troublesome for users

We can do it in lib.rs Use in

pub use self::xzc::x::z::c

In this way, we want to import c Can be directly in main.rs Use in

use xzc::c

from crates.io Install binary crate

command :cargo install ***