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-rw-r--r--lib/mathn.rb4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/mathn.rb b/lib/mathn.rb
index 57eac113c7..f834893f3f 100644
--- a/lib/mathn.rb
+++ b/lib/mathn.rb
@@ -25,7 +25,7 @@ class Fixnum
remove_method :/
alias / quo
- alias power! ** unless defined?(0.power!)
+ alias power! ** unless method_defined? :power!
def ** (other)
if self < 0 && other.round != other
@@ -41,7 +41,7 @@ class Bignum
remove_method :/
alias / quo
- alias power! ** unless defined?(0.power!)
+ alias power! ** unless method_defined? :power!
def ** (other)
if self < 0 && other.round != other