temporalio-sdk-core 0.4.0

Library for building new Temporal SDKs
Documentation 
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//! This module helps with the initialization and management of telemetry. IE: Metrics and tracing.
//! Logs from core are all traces, which may be exported to the console, in memory, or externally.

use itertools::Itertools;
use std::collections::VecDeque;

pub(crate) mod metrics;

pub use metrics::MetricsCallBuffer;

/// A trait for using [Display] on the contents of vecs, etc, which don't implement it.
///
/// Dislike this, but, there doesn't seem to be a great alternative. Calling itertools format
/// inline in an `event!` macro can panic because it gets evaluated twice somehow.
pub(crate) trait VecDisplayer {
    fn display(&self) -> String;
}

impl<T> VecDisplayer for Vec<T>
where
    T: std::fmt::Display,
{
    fn display(&self) -> String {
        format!("[{}]", self.iter().format(","))
    }
}

impl<T> VecDisplayer for VecDeque<T>
where
    T: std::fmt::Display,
{
    fn display(&self) -> String {
        format!("[{}]", self.iter().format(","))
    }
}