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(.module:
[library
[lux {"-" [Type]}
[abstract
[equivalence {"+" [Equivalence]}]
[monad {"+" [do]}]]
[control
["<>" parser
["<[0]>" xml {"+" [Parser]}]
["<[0]>" text]]]
[data
["[0]" product]
["[0]" text]
[format
["[0]" xml {"+" [XML]}]]]]]
["[0]" /// "_"
["[1][0]" type {"+" [Type]}]
["[1][0]" time {"+" [Time]}]])
(type: .public Version
(Record
[#extension Type
#value Text
#updated Time]))
(def: .public equivalence
(Equivalence Version)
($_ product.equivalence
text.equivalence
text.equivalence
///time.equivalence
))
(template [<definition> <tag>]
[(def: <definition> xml.Tag ["" <tag>])]
[<extension> "extension"]
[<value> "value"]
[<updated> "updated"]
[<snapshot_version> "snapshotVersion"]
)
(def: (text_format tag value)
(-> xml.Tag Text XML)
(|> value #xml.Text list (#xml.Node tag xml.attributes)))
(def: .public (format (^slots [#extension #value #updated]))
(-> Version XML)
(<| (#xml.Node ..<snapshot_version> xml.attributes)
(list (..text_format ..<extension> extension)
(..text_format ..<value> value)
(..text_format ..<updated> (///time.format updated)))))
(def: (text tag)
(-> xml.Tag (Parser Text))
(<| (<xml>.node tag)
<xml>.text))
(def: .public parser
(Parser Version)
(<| (<xml>.node ..<snapshot_version>)
($_ <>.and
(<xml>.somewhere (..text ..<extension>))
(<xml>.somewhere (..text ..<value>))
(<xml>.somewhere (<text>.then ///time.parser
(..text ..<updated>)))
)))
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