dtcs 0.1.1

Reference implementation of the Data Transformation Contract Standard (DTCS)
Documentation 
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//! Contract metadata.

use indexmap::IndexMap;
use serde::{Deserialize, Serialize};
use serde_json::Value;

/// Document-level metadata.
#[derive(Debug, Clone, Default, PartialEq, Eq, Serialize, Deserialize)]
pub struct Metadata {
    /// Optional description.
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub description: Option<String>,
    /// Optional tags.
    #[serde(default, skip_serializing_if = "Vec::is_empty")]
    pub tags: Vec<String>,
    /// Additional metadata preserved verbatim.
    #[serde(default, flatten)]
    pub extensions: IndexMap<String, Value>,
}