I've run into the same problem several times before and never thought too much of it, just made the correct change to be able to compile and kept going. Now that I think about it I might have an answer.
The ruby code is just what it is between <% and %>. Those 'delimiters' are just to tell the engine something like 'ruby code coming'. The = sign is probably actually a method call equivalent to 'puts' (I might have read that somewhere in the AWDWR book). The rest of the line is the parameter to the method. By putting the # sign after the = sign we are actually commenting out the parameter to the method but leaving the method call in place. The interpreter might not know what to do with a method call with no parameter (maybe a parameter is mandatory for the = sign method?) and burps. However if you put the # sign in front of the method call (the = sign) you are commenting the whole ruby code, hence the interpreter has no problem with it. This is just a guess about what might be going on and if anybody knows the right answer out there I would like to know. Pepe On May 24, 3:31 pm, SpringFlowers AutumnMoon <rails-mailing- [email protected]> wrote: > there is a line displayed within <pre> > > <%= h @stories.inspect %> > > and the output was too long, so i changed it to > > <%= #h @stories.inspect %> > > <% @stories.each do |s| %> > <%= h s.inspect %> > <% end %> > > (commenting out the first line). now the code will fail to compile... > saying > > compile error > /Users/winterheat/ror/shov2/app/views/stories/index.html.erb:13: syntax > error, unexpected kENSURE, expecting ')' > /Users/winterheat/ror/shov2/app/views/stories/index.html.erb:15: syntax > error, unexpected kEND, expecting ')' > > and if i remove that commented line altogether, the code will work. i > thought in some book, it is said that you can comment out some code in > ERB like that? > > Update: funny if i change it to > > <% #h @stories.inspect %> > > then it will compile fine... so the displaying of result tag <%= %> > doesn't like comments, it seems. > -- > Posted viahttp://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
