Sha256: 427e4954d4ddd23afe7171f3f19d4a6b8691c8c64db99b248aa4bec414129c21
Contents?: true
Size: 725 Bytes
Versions: 11
Compression:
Stored size: 725 Bytes
Contents
# encoding: utf-8
module TTY
# A mixin to coerce a value into a specific class.
module Coercion
# Helper to coerce value into a specific class.
#
# @param [Object] object
#
# @param [Class] cls
#
# @param [Symbol] method
#
# @api public
def coerce_to(object, cls, method)
return object if object.is_a?(cls)
begin
result = object.__send__(method)
rescue Exception => e
raise TypeError, "Coercion error #{e.message}"
end
unless result.is_a?(cls)
fail TypeError, "Coercion error: obj.#{method} did not return " \
"a #{cls} (was #{result.class})"
end
result
end
end # Coercion
end # TTY
Version data entries
11 entries across 11 versions & 1 rubygems