num-derive is a procedural macro. It will run at compile time and transform your program's source code.

Adding num-derive macro(s) as a dependency

Run this command in a terminal, in your project's directory:

cargo add num-derive

To add it manually, edit your project's Cargo.toml file and add to the [dependencies] section:

num-derive = "0.4.2"

You may need to import the macro(s) with use num_derive::*.

Read the num_derive documentation.

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