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(.module:
[lux #*
[abstract
[equivalence (#+ Equivalence)]
[monad (#+ do)]]
[control
["<>" parser
["<.>" xml (#+ Parser)]
["<.>" text]]]
[data
["." product]
[format
["." xml (#+ XML)]]]]
["." // #_
["#." time (#+ Time)]
["#." build (#+ Build)]])
(type: #export Stamp
{#time Time
#build Build})
(def: #export equivalence
(Equivalence Stamp)
($_ product.equivalence
//time.equivalence
//build.equivalence
))
(def: <timestamp>
xml.Tag
["" "timestamp"])
(def: time_format
(-> Time XML)
(|>> //time.format
#xml.Text
list
(#xml.Node ..<timestamp> xml.attributes)))
(def: #export (format (^slots [#time #build]))
(-> Stamp (List XML))
(list (..time_format time)
(//build.format build)))
## (exception: #export (mismatch {expected Instant} {actual Instant})
## (exception.report
## ["Expected" (%.instant expected)]
## ["Actual" (%.instant actual)]))
(def: time_parser
(Parser Time)
(do <>.monad
[_ (<xml>.node <timestamp>)]
(<text>.embed //time.parser
(<xml>.children <xml>.text))))
(def: #export parser
(Parser Stamp)
(<>.and (<xml>.somewhere ..time_parser)
(<xml>.somewhere //build.parser)))
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