featurevisor-example-rust

A small Rust application showing how to consume the published Featurevisor Rust SDK from crates.io.

The application downloads a Featurevisor datafile, creates an SDK instance, sets a context, and evaluates one feature as a flag, variation, and string variable.

Requirements

Rust 1.74 or newer.

Run it

cargo run

The application fetches this production datafile:

https://featurevisor-example-cloudflare.pages.dev/production/featurevisor-mobile.json

The important SDK usage is in src/main.rs:

use featurevisor::{context, create_featurevisor, DatafileInput, FeaturevisorOptions};

let f = create_featurevisor(FeaturevisorOptions {
    datafile: Some(DatafileInput::Json(datafile)),
    ..Default::default()
});

f.set_context(
    context! {
        "userId" => "mobile-user",
        "country" => "nl",
    },
    false,
);

let enabled = f.is_enabled("mobile_experience", None);
let variation = f.get_variation("mobile_experience", None, None);
let welcome_message = f.get_variable_string(
    "mobile_experience",
    "welcome_message",
    None,
    None,
);

The featurevisor dependency comes from crates.io. It is not a local path dependency, so this project demonstrates the same setup used by a new consumer.

Learn more in the Featurevisor Rust SDK documentation.

Featurevisor project

The datafile is generated by the Featurevisor example Cloudflare project.