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Versions: 36
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Contents
# Module overloads
class Module
# Gives us alias_method_chain from rails
def alias_method_chain(target, feature)
aliased_target, punctuation = target.to_s.sub(/([?!=])$/, ''), $1
yield(aliased_target, punctuation) if block_given?
with_method, without_method = "#{aliased_target}_with_#{feature}#{punctuation}", "#{aliased_target}_without_#{feature}#{punctuation}"
alias_method without_method, target
alias_method target, with_method
case
when public_method_defined?(without_method)
public target
when protected_method_defined?(without_method)
protected target
when private_method_defined?(without_method)
private target
end
end
def attr_accessor_with_default( *syms, &block )
raise 'Default value in block required' unless block
syms.each do | sym |
module_eval do
attr_writer( sym )
define_method( sym ) do | |
class << self; self; end.class_eval do
attr_reader( sym )
end
instance_variables.include?("@#{sym}") ? instance_variable_get( "@#{sym}" ) : instance_variable_set( "@#{sym}", block.call )
end
end
end
nil
end
def instance_variables_from_hash(h={})
h.each {|k,v| instance_eval "@#{k} = #{v}"}
end
end
Version data entries
36 entries across 36 versions & 3 rubygems