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document $out, $key, $value in perl code snippets
[MojoFacets.git]
/
README
diff --git
a/README
b/README
index
0b3ea6b
..
14d7b0e
100644
(file)
--- a/
README
+++ b/
README
@@
-58,6
+58,10
@@
element from your dataset.
If you want to create or update values, you will have to use $update hash to set
new values.
If you want to create or update values, you will have to use $update hash to set
new values.
+If you want to report something from your dataset (also called reduce in map/reduce
+terminology) you can use $out hash to store values which will be used to generate
+new dataset using $key and $value for column names.
+
All values are repetable, but if you create just a scalar, magic(tm) inside MojoFacets
will try to upgrade it to [ $scalar ] so you don't have to do it explicitly.
All values are repetable, but if you create just a scalar, magic(tm) inside MojoFacets
will try to upgrade it to [ $scalar ] so you don't have to do it explicitly.