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begin29/if_loc_var_def_in_view.rb

Created December 9, 2016 17:51
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check if local variable is defined in view
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if_loc_var_def_in_view.rb
render "shared/header", { :headline => "Welcome", :person => person }
# shared/header
<% if local_assigns.has_key? :headline %>
Headline: <%= headline %>
<% end %>
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