#[doc(hidden)]
extern crate alloc;
use alloc::string::{String, ToString};
pub fn init_tracing() {
let subscriber = tracing_subscriber::fmt()
.with_thread_ids(true)
.with_thread_names(true)
.with_level(true)
.with_target(true);
let subscriber = subscriber.finish();
let _ = tracing::subscriber::set_global_default(subscriber);
}
#[must_use]
pub fn selector_from(topic: &str, mut prefix: Option<&String>) -> String {
prefix.take().map_or(topic.to_string(), |prefix| {
let mut result = String::from(prefix);
result.push('/');
result.push_str(topic);
result
})
}
#[must_use]
pub fn request_selector_from(selector: &str) -> String {
let mut result = String::from(selector);
result.push_str("?request");
result
}
#[must_use]
pub fn cancel_selector_from(selector: &str) -> String {
let mut result = String::from(selector);
result.push_str("?cancel");
result
}
#[must_use]
pub fn feedback_selector_from(selector: &str, id: &str) -> String {
let mut result = String::from(selector);
result.push_str("/feedback/");
result.push_str(id);
result
}