! Copyright (C) 2008 Slava Pestov.
-! See http://factorcode.org/license.txt for BSD license.
-USING: io.files io.encodings.ascii sequences generalizations
-math.parser combinators kernel memoize csv summary
-words accessors math.order binary-search combinators.smart ;
+! See https://factorcode.org/license.txt for BSD license.
+USING: accessors binary-search combinators combinators.smart csv
+io.encodings.ascii kernel math.order math.parser sequences
+summary ;
IN: usa-cities
SINGLETONS: AK AL AR AS AZ CA CO CT DC DE FL GA HI IA ID IL IN
M: no-such-state summary drop "No such state" ;
MEMO: string>state ( string -- state )
- dup states [ name>> = ] with find nip
- [ ] [ no-such-state ] ?if ;
+ [ states [ name>> = ] with find nip ]
+ [ no-such-state ] ?unless ;
TUPLE: city
first-zip name state latitude longitude gmt-offset dst-offset ;
MEMO: cities ( -- seq )
- "resource:extra/usa-cities/zipcode.csv" ascii file>csv
+ "vocab:usa-cities/zipcode.csv" ascii file>csv
rest-slice [
[
{
MEMO: cities-named-in ( name state -- cities )
cities [
- tuck [ name>> = ] [ state>> = ] 2bi* and
- ] with with filter ;
+ [ name>> = ] [ state>> = ] bi-curry bi* and
+ ] 2with filter ;
: find-zip-code ( code -- city )
cities [ first-zip>> <=> ] with search nip ;