class Nvlope::Arguments
Constants
- Error
Public Class Methods
new(hash)
click to toggle source
# File lib/nvlope/arguments.rb, line 5 def initialize hash hash.respond_to?(:to_hash) or raise ArgumentError, "Arguments should be a hash" @hash = hash.to_hash end
Public Instance Methods
[](key)
click to toggle source
# File lib/nvlope/arguments.rb, line 10 def [] key @hash[key] end
optional(key) { || ... }
click to toggle source
# File lib/nvlope/arguments.rb, line 19 def optional key return @hash[key] if @hash.key?(key) return yield if block_given? end
require(key)
click to toggle source
# File lib/nvlope/arguments.rb, line 14 def require key return @hash[key] if @hash.key?(key) raise Error, "#{key} is a required option", caller(2) end