Sha256: 78c4e7d6b385a8413c575fd2f06332b577b7e5da0f696579f5d1b80d39bacd59
Contents?: true
Size: 1000 Bytes
Versions: 5
Compression:
Stored size: 1000 Bytes
Contents
module Troo
class Sentence
class << self
# @param [Array]
# @param [String]
# @return [String]
def construct(elements, label = 'elements')
new(elements, label).construct
end
end
# @param [Array]
# @param [String]
# @return [Troo::Sentence]
def initialize(elements, label)
@elements, @label = elements, label
end
# @return [String]
def construct
if one?
first
elsif two?
elements.join(' and ')
elsif many?
[but_last, last].join(' and ')
else
"No #{label} have been assigned."
end
end
private
attr_reader :elements, :label
def one?
count == 1
end
def two?
count == 2
end
def many?
count > 2
end
def but_last
elements[0...-1].join(', ')
end
def first
elements.first
end
def last
elements[-1]
end
def count
elements.size
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems