Sha256: a6d604a7614a044de32c8b267137eb61409e51559afdd61714aed84de0d512d1
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Size: 965 Bytes
Versions: 8
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Stored size: 965 Bytes
Contents
module Alf
module Algebra
#
# Specialization of Operator for operators that work on a binary input
#
module Binary
# Class-level methods
module ClassMethods
# (see Operator::ClassMethods#arity)
def arity
2
end
end # module ClassMethods
def self.included(mod)
super
mod.extend(ClassMethods)
end
# Returns the left operand
def left
operands.first
end
# Returns the right operand
def right
operands.last
end
def with_left(left)
with_operands(left, right)
end
def with_right(right)
with_operands(left, right)
end
def common_heading
@common_heading ||= (left.heading & right.heading)
end
def common_attributes
@common_attributes ||= common_heading.to_attr_list
end
end # module Binary
end # module Algebra
end # module Alf
Version data entries
8 entries across 8 versions & 1 rubygems