toolkit/components/glean/api/src/metrics.rs


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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.

//! This file contains the Generated Glean Metrics API
//!
//! The contents of this module are generated by
//! `toolkit/components/glean/build_scripts/glean_parser_ext/run_glean_parser.py`, from
//! metrics files identified in 'toolkit/components/glean/metrics_index.py`.

include!(mozbuild::objdir_path!(
    "toolkit/components/glean/api/src/metrics.rs"
));

use crate::private::{EventMetric, ExtraKeys};

/// Helper to get the number of allowed extra keys for a given event metric.
fn extra_keys_len<K: ExtraKeys>(_event: &EventMetric<K>) -> usize {
    K::ALLOWED_KEYS.len()
}