Function is_global_default_set 

pub fn is_global_default_set() -> bool

Return true if the global default StatsdClient is set, false otherwise

Example

use cadence::{StatsdClient, NopMetricSink};

assert!(!cadence_macros::is_global_default_set());

let client = StatsdClient::from_sink("my.prefix", NopMetricSink);
cadence_macros::set_global_default(client);

assert!(cadence_macros::is_global_default_set());