environment: add using list to usage example of os-env word

2011-02-20 04:08:45 +09:00 · 2011-02-20 04:08:45 +09:00 · 77922f61f7
parent 70d06dc4c7
commit 77922f61f7
1 changed files with 6 additions and 2 deletions
--- a/basis/environment/environment-docs.factor
+++ b/basis/environment/environment-docs.factor
@ -22,7 +22,11 @@ HELP: os-env
 { $description "Looks up the value of a shell environment variable." }
 { $examples
    "This is an operating system-specific feature. On Unix, you can do:"
-    { $unchecked-example "\"USER\" os-env print" "jane" }
+    { $unchecked-example
+        "USING: environment io ;"
+        "\"USER\" os-env print"
+        "jane"
+    }
 } ;

 HELP: os-envs