use-event-metadata

Ordered string metadata entries for RustUse event primitives.

Install

[dependencies]
use-event-metadata = "0.1.0"

Example

use use_event_metadata::EventMetadata;

let mut metadata = EventMetadata::with_entry("trace_id", "abc");
metadata.insert("trace_id", "def");

assert_eq!(metadata.get("trace_id"), Some("def"));
assert_eq!(metadata.len(), 1);

Scope

• Store ordered string key/value metadata entries.
• Update an existing key or append a new entry.
• Keep metadata dependency-free and serialization-free.

Non-Goals

• No typed metadata schema.
• No header or protocol mapping.
• No persistence or indexing.

Status

Experimental v0.1.0 primitive.

License

Licensed under either of the following, at your option:

• Apache License, Version 2.0
• MIT license