summaryrefslogtreecommitdiff
path: root/nilclass.rb
diff options
context:
space:
mode:
Diffstat (limited to 'nilclass.rb')
-rw-r--r--nilclass.rb38
1 files changed, 38 insertions, 0 deletions
diff --git a/nilclass.rb b/nilclass.rb
index 5a2e19680d..acd5666c71 100644
--- a/nilclass.rb
+++ b/nilclass.rb
@@ -1,6 +1,32 @@
class NilClass
#
# call-seq:
+ # rationalize(eps = nil) -> (0/1)
+ #
+ # Returns zero as a Rational:
+ #
+ # nil.rationalize # => (0/1)
+ #
+ # Argument +eps+ is ignored.
+ #
+ def rationalize(eps = nil)
+ 0r
+ end
+
+ #
+ # call-seq:
+ # to_c -> (0+0i)
+ #
+ # Returns zero as a Complex:
+ #
+ # nil.to_c # => (0+0i)
+ #
+ def to_c
+ 0i
+ end
+
+ #
+ # call-seq:
# nil.to_i -> 0
#
# Always returns zero.
@@ -22,4 +48,16 @@ class NilClass
def to_f
return 0.0
end
+
+ #
+ # call-seq:
+ # to_r -> (0/1)
+ #
+ # Returns zero as a Rational:
+ #
+ # nil.to_r # => (0/1)
+ #
+ def to_r
+ 0r
+ end
end