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##
# Struct
#
# ISO 15.2.18
if Object.const_defined?(:Struct)
class Struct
##
# Calls the given block for each element of +self+
# and pass the respective element.
#
# ISO 15.2.18.4.4
def each(&block)
self.class.members.each{|field|
block.call(self[field])
}
self
end
##
# Calls the given block for each element of +self+
# and pass the name and value of the respectiev
# element.
#
# ISO 15.2.18.4.5
def each_pair(&block)
self.class.members.each{|field|
block.call(field.to_sym, self[field])
}
self
end
##
# Calls the given block for each element of +self+
# and returns an array with all elements of which
# block is not false.
#
# ISO 15.2.18.4.7
def select(&block)
ary = []
self.class.members.each{|field|
val = self[field]
ary.push(val) if block.call(val)
}
ary
end
end
end
|
