syntax - What is the difference between "-%>" and "%>" in Rails 3? -


this question has answer here:

what difference between : 

<% @posts.each |p| -%> <%= p.title %> <% end -%>

and 

<% @posts.each |p| %> <%= p.title %> <% end %>

and there ?

-%> means not insert '\n' , whitespaces after command.


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