X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=catagits%2FCatalyst-Runtime.git;a=blobdiff_plain;f=lib%2FCatalyst%2FManual%2FTutorial%2FBasicCRUD.pod;h=493c8685852bf2ee36e9f1967fcd17523f78a7e3;hp=d6e0952ddcaa5869f2d27a87a48eb3f33b185af9;hb=c9b77c06a0de97f1d6e9a66091e693a637578357;hpb=d532d3540a37e6efc518ffa0bd8fd0e240453240 diff --git a/lib/Catalyst/Manual/Tutorial/BasicCRUD.pod b/lib/Catalyst/Manual/Tutorial/BasicCRUD.pod index d6e0952..493c868 100644 --- a/lib/Catalyst/Manual/Tutorial/BasicCRUD.pod +++ b/lib/Catalyst/Manual/Tutorial/BasicCRUD.pod @@ -347,13 +347,16 @@ and 2) the four lines for the Delete link near the bottom). [% # First initialize a TT variable to hold a list. Then use a TT FOREACH -%] [% # loop in 'side effect notation' to load just the last names of the -%] - [% # authors into the list. Note that we are making a bogus assignment to -%] - [% # the 'xx' vbl to avoid printing the size of the list after each push. -%] + [% # authors into the list. Note that the 'push' TT vmethod does not -%] + [% # a value, so nothing will be printed here. But, if you have something -%] + [% # in TT that does return a method and you don't want it printed, you -%] + [% # can: 1) assign it to a bogus value, or 2) use the CALL keyword to -%] + [% # call it and discard the return value. -%] [% tt_authors = [ ]; - xx = tt_authors.push(author.last_name) FOREACH author = book.authors %] + tt_authors.push(author.last_name) FOREACH author = book.authors %] [% # Now use a TT 'virtual method' to display the author count -%] ([% tt_authors.size %]) - [% # Use another TT virtual method to join the names with comma separators -%] + [% # Use another TT vmethod to join & print the names & comma separators -%] [% tt_authors.join(', ') %]