use input<sequence in usa-cities

[factor.git] / extra / usa-cities / usa-cities.factor

diff --git a/extra/usa-cities/usa-cities.factor b/extra/usa-cities/usa-cities.factor
index deb3e15845789020d6781c3bb4b2cb264d76fdda..25ec30ac78673bac67927e9c6d34f2cfa84f970e 100644 (file)
--- a/extra/usa-cities/usa-cities.factor
+++ b/extra/usa-cities/usa-cities.factor
@@ -2,7 +2,7 @@
 ! 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 ;
+words accessors math.order binary-search combinators.smart ;
 IN: usa-cities
 
 SINGLETONS: AK AL AR AS AZ CA CO CT DC DE FL GA HI IA ID IL IN
@@ -30,15 +30,17 @@ first-zip name state latitude longitude gmt-offset dst-offset ;
 MEMO: cities ( -- seq )
     "resource:extra/usa-cities/zipcode.csv" ascii <file-reader>
     csv rest-slice [
-        7 firstn {
-            [ string>number ]
-            [ ]
-            [ string>state ]
-            [ string>number ]
-            [ string>number ]
-            [ string>number ]
-            [ string>number ]
-        } spread city boa
+        [
+            {
+                [ string>number ]
+                [ ]
+                [ string>state ]
+                [ string>number ]
+                [ string>number ]
+                [ string>number ]
+                [ string>number ]
+            } spread
+        ] input<sequence city boa
     ] map ;
 
 MEMO: cities-named ( name -- cities )