Module: Matrix::CoercionHelper
Overview
:nodoc:
Class Method Summary collapse
-
.coerce_to(obj, cls, meth) ⇒ Object
Helper method to coerce a value into a specific class.
- .coerce_to_int(obj) ⇒ Object
Class Method Details
.coerce_to(obj, cls, meth) ⇒ Object
Helper method to coerce a value into a specific class. Raises a TypeError if the coercion fails or the returned value is not of the right class. (from Rubinius)
1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 |
# File 'lib/matrix.rb', line 1583 def self.coerce_to(obj, cls, meth) # :nodoc: return obj if obj.kind_of?(cls) begin ret = obj.__send__(meth) rescue Exception => e raise TypeError, "Coercion error: #{obj.inspect}.#{meth} => #{cls} failed:\n" \ "(#{e.})" end raise TypeError, "Coercion error: obj.#{meth} did NOT return a #{cls} (was #{ret.class})" unless ret.kind_of? cls ret end |
.coerce_to_int(obj) ⇒ Object
1596 1597 1598 |
# File 'lib/matrix.rb', line 1596 def self.coerce_to_int(obj) coerce_to(obj, Integer, :to_int) end |