The cargo bin subcommand provides some operations to manage binaries in Cargo.toml.

# install
cargo install cargo-bin

Create a new binary main file and add into Cargo.toml.

Create a new binary abc and add into Cargo.toml. The following will create a file abc.rs with a default fn main() in current folder. And a [[bin]] will be added into the Cargo.toml.

cd src
cargo bin new abc
# or
cargo bin new abc.rs

The Cargo.toml file.

[[bin]]
name = "abc"
path = "src/abc.rs"

cargo bin tidy will add all .rs file with a main function into Cargo.toml. It will also clean up all the invalid [[bin]]s which doesn't exists.

cargo bin tidy