diff options
Diffstat (limited to 'railties/lib/rails/generators.rb')
| -rw-r--r-- | railties/lib/rails/generators.rb | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/railties/lib/rails/generators.rb b/railties/lib/rails/generators.rb index 341291f08b..a7da92168d 100644 --- a/railties/lib/rails/generators.rb +++ b/railties/lib/rails/generators.rb @@ -267,10 +267,13 @@ module Rails d = (0..m).to_a x = nil - str1.each_char.each_with_index do |char1,i| + # avoid duplicating an enumerable object in the loop + str2_codepoint_enumerable = str2.each_codepoint + + str1.each_codepoint.with_index do |char1, i| e = i+1 - str2.each_char.each_with_index do |char2,j| + str2_codepoint_enumerable.with_index do |char2, j| cost = (char1 == char2) ? 0 : 1 x = [ d[j+1] + 1, # insertion |