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Versions: 15
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Stored size: 1.21 KB
Contents
module RakeFactory
module Values
def self.resolve(value)
case value
when RakeFactory::DynamicValue, RakeFactory::StaticValue
value
else
RakeFactory::StaticValue.new(value)
end
end
module FactoryMethods
def dynamic(&block)
DynamicValue.new(&block)
end
def static(value)
StaticValue.new(value)
end
end
end
class DynamicValue
def initialize(pre_arguments = [], post_arguments = [], &block)
@block = block
@pre_arguments = pre_arguments
@post_arguments = post_arguments
end
def prepend_argument(argument)
self.class.new([argument, *@pre_arguments], @post_arguments, &@block)
end
def append_argument(argument)
self.class.new(@pre_arguments, [*@post_arguments, argument], &@block)
end
def evaluate(arguments)
resolved_arguments = [*@pre_arguments, *arguments, *@post_arguments]
@block.call(*resolved_arguments.slice(0, @block.arity))
end
end
class StaticValue
def initialize(value)
@value = value
end
def prepend_argument(_)
self
end
def append_argument(_)
self
end
def evaluate(*_)
@value
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems