HL7.Query.select
You're seeing just the function
select
, go back to HL7.Query module for more information.
Specs
select(content_or_query_hl7(), binary()) :: t()
Selects or sub-selects segment groups in an HL7 message using a segment selector or filter function.
iex> import HL7.Query
iex> HL7.Examples.nist_immunization_hl7()
...> |> select("OBX")
...> |> select(fn q -> get_part(q, "1") != "1" end)
...> |> delete()
...> |> root()
...> |> get_segment_names()
["MSH", "PID", "ORC", "RXA", "RXR", "OBX", "ORC", "RXA", "ORC", "RXA", "RXR", "OBX"]