re_ui 0.24.1

Rerun GUI theme and helpers, built around egui
Documentation 
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//! Decide whether or not to enable the `hot_reload_design_tokens` feature.

#![allow(clippy::unwrap_used)]

fn main() {
    use re_build_tools::Environment;

    let environment = Environment::detect();
    let is_release = cfg!(not(debug_assertions)); // This works

    // DO NOT USE `cfg!` for this, that would give you the host's platform!
    let targets_wasm =
        re_build_tools::get_and_track_env_var("CARGO_CFG_TARGET_FAMILY").unwrap() == "wasm";

    println!("cargo::rustc-check-cfg=cfg(hot_reload_design_tokens)");
    let hot_reload_design_tokens =
        environment == Environment::DeveloperInWorkspace && !is_release && !targets_wasm;
    if hot_reload_design_tokens {
        println!("cargo:rustc-cfg=hot_reload_design_tokens");
    }
}