Search a list of records: Difference between revisions
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→{{header|Arturo}}
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=={{header|Arturo}}==
<lang rebol>
define :city [name population][]
records: map [
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["Abidjan" 4.4]
["Casablanca" 3.98]
] => [to :city &]
find: function [block f][
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; Print the population of the first city starting with 'A'.
print get first find records $[c][equal? first c\name `A`] 'population</lang>
{{out}}
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