hl7-2 0.2.1

HL7 v2 (releases 2.1-2.9) for Rust: parse, navigate, validate, modify, and render Health Level Seven (HL7) version 2 messages, in three modes: generic, schema-based, and struct-based. Published as `hl7-2` (the name `hl7-v2` belongs to an unrelated crate); most users get it through the `hl7` umbrella crate instead, as `hl7::v2`.
Documentation 
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FHS|^~\&|LAB|ACME
BHS|^~\&|LAB|ACME
MSH|^~\&|LAB|ACME|EHR|CLINIC|20260814080000||ACK^R01^ACK|MSG00001|P|2.5
MSA|AA|MSG00042
MSH|^~\&|LAB|ACME|EHR|CLINIC|20260814080100||ACK^R01^ACK|MSG00002|P|2.5
MSA|AE|MSG00043|Segment out of order
ERR|||207^Application internal error^HL70357|E
BTS|2
FTS|1