Adding `magic_params` library as a dependency

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

cargo add magic-params

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

magic-params = "0.1.1"

The magic_params library will be automatically available globally. Read the magic_params library documentation.

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Readme

Magic Params

call functions with typed arguments derived from a shared context.

Reference: axum-style-magic-function-param

Usage

cargo add magic-params

Examples

define_context!(MyContext {
    value1: i32,
    value2: u32,
    value3: String,
});
context_as_params!(MyContext, 3);

fn main() {
    let ctx = MyContext {
        value1: 42,
        value2: 100,
        value3: "Hello".to_string(),
    };

    let handler = |v1: i32, v2: u32, v3: &String| {
        assert_eq!(v1, 42);
        assert_eq!(v2, 100);
        assert_eq!(v3, "Hello");
        "Handler called successfully"
    };

    assert_eq!(handler.call(&ctx), "Handler called successfully");
}

Adding magic_params library as a dependency

Adding `magic_params` library as a dependency