Macro record_gauge

macro_rules! record_gauge {
    ($collector:expr, $name:expr, $value:expr) => { ... };
}

Records a gauge metric with the current timestamp

A gauge represents a value that can go up or down over time, such as current memory usage, active connections, or queue depth.

Arguments

• $collector - The MetricCollector instance to record to
• $name - The metric name as a string or string slice
• $value - The gauge value as an f64

Example

record_gauge!(collector, "active_orders", 42.0);
record_gauge!(collector, "memory_usage_mb", 1024.5);