Sha256: 4d7e1bff3fc1736f5ff126d16a9465677d5a62b15a26b0c70a60c81f5cc50625
Contents?: true
Size: 1.2 KB
Versions: 8
Compression:
Stored size: 1.2 KB
Contents
module Danica
class Operator
class Chained < Operator
def variables=(vars)
@variables = vars.map { |v| wrap_value(v) }
end
def to_f
chain(variables.map(&:to_f))
end
def include?(value)
value = wrap_value(value)
variables.include?(value.content)
end
def to(format)
extractor = string_extractor(format)
variables.procedural_join(extractor, &join_proc(symbol(format)))
end
def variables
@variables.map(&:content)
end
private
def symbol(format)
case format.to_sym
when :tex
tex_symbol
when :gnu
gnu_symbol
end
end
def join_proc(symbol)
proc { " #{symbol} " }
end
def string_extractor(method)
proc do |parcel|
parcel = wrap_as_group(parcel)
parcel.to(method)
end
end
def repack(other)
other_variables = other.is_a?(self.class) ? other.variables : [ other ]
self.class.new(variables + other_variables)
end
def chain(numbers)
numbers.inject do |a,b|
chain_operation(a,b)
end.to_f
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems