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-rw-r--r--activesupport/lib/active_support/core_ext/string/iterators.rb4
-rw-r--r--activesupport/lib/active_support/core_ext/string/starts_ends_with.rb16
2 files changed, 16 insertions, 4 deletions
diff --git a/activesupport/lib/active_support/core_ext/string/iterators.rb b/activesupport/lib/active_support/core_ext/string/iterators.rb
index 73114d9d5f..66a08a5cd0 100644
--- a/activesupport/lib/active_support/core_ext/string/iterators.rb
+++ b/activesupport/lib/active_support/core_ext/string/iterators.rb
@@ -5,6 +5,10 @@ module ActiveSupport #:nodoc:
module String #:nodoc:
# Custom string iterators
module Iterators
+ def self.append_features(base)
+ super unless '1.9'.respond_to?(:each_char)
+ end
+
# Yields a single-character string for each character in the string.
# When $KCODE = 'UTF8', multi-byte characters are yielded appropriately.
def each_char
diff --git a/activesupport/lib/active_support/core_ext/string/starts_ends_with.rb b/activesupport/lib/active_support/core_ext/string/starts_ends_with.rb
index 3960669798..09f9a188b5 100644
--- a/activesupport/lib/active_support/core_ext/string/starts_ends_with.rb
+++ b/activesupport/lib/active_support/core_ext/string/starts_ends_with.rb
@@ -3,10 +3,18 @@ module ActiveSupport #:nodoc:
module String #:nodoc:
# Additional string tests.
module StartsEndsWith
- def self.included(base)
- base.class_eval do
- alias_method :start_with?, :starts_with?
- alias_method :end_with?, :ends_with?
+ def self.append_features(base)
+ if '1.8.7 and up'.respond_to?(:start_with?)
+ base.class_eval do
+ alias_method :starts_with?, :start_with?
+ alias_method :ends_with?, :end_with?
+ end
+ else
+ super
+ base.class_eval do
+ alias_method :start_with?, :starts_with?
+ alias_method :end_with?, :ends_with?
+ end
end
end