Sha256: 61b15d970d9ce0f5c68e841e5c7d4b46d7afe25d3906603fb4c3aa0fdde4f4e9
Contents?: true
Size: 779 Bytes
Versions: 9
Compression:
Stored size: 779 Bytes
Contents
require 'highline'
cli = HighLine.new
# The parser
class ArrayOfNumbersFromString
def self.parse(string)
string.scan(/\d+/).map(&:to_i)
end
end
# The validator
class ArrayOfNumbersFromStringInRange
def self.in?(range)
new(range)
end
attr_reader :range
def initialize(range)
@range = range
end
def valid?(answer)
ary = ArrayOfNumbersFromString.parse(answer)
ary.all? ->(number) { range.include? number }
end
def inspect
"in range #@range validator"
end
end
answer = cli.ask("Which number? (0 or <Enter> to skip): ", ArrayOfNumbersFromString) { |q|
q.validate = ArrayOfNumbersFromStringInRange.in?(0..10)
q.default = 0
}
puts "Your answer was: #{answer} and it was correctly validated and coerced into an #{answer.class}"
Version data entries
9 entries across 8 versions & 3 rubygems