文件操作 - coercion.rb
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文件: /opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/coercion.rb
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# frozen_string_literal: true # Various methods used to coerce values into a canonical form. # # @api private module Puppet::Coercion # Try to coerce various input values into boolean true/false # # Only a very limited subset of values are allowed. This method does not try # to provide a generic "truthiness" system. # # @param value [Boolean, Symbol, String] # @return [Boolean] # @raise # @api private def self.boolean(value) # downcase strings if value.respond_to? :downcase value = value.downcase end case value when true, :true, 'true', :yes, 'yes' # rubocop:disable Lint/BooleanSymbol true when false, :false, 'false', :no, 'no' # rubocop:disable Lint/BooleanSymbol false else fail('expected a boolean value') end end # Return the list of acceptable boolean values. # # This is limited to lower-case, even though boolean() is case-insensitive. # # @return [Array] # @raise # @api private def self.boolean_values %w[true false yes no] end end
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