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joerixaop/instance_var_caching.rb

Forked from spint/instance_var_caching.rb
Created December 17, 2010 16:53
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instance_var_caching.rb
# this only gets cached in @admin if true
# how to cache this also in case of false?
def admin?
@admin ||= has_role? 'admin'
end
#is the following ok?
def admin?
return @admin if defined? @admin
@admin ||= has_role? 'admin'
end
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