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-rw-r--r--activesupport/lib/active_support/core_ext/object/blank.rb5
-rw-r--r--activesupport/lib/active_support/core_ext/object/duplicable.rb2
-rw-r--r--activesupport/lib/active_support/core_ext/object/json.rb6
-rw-r--r--activesupport/lib/active_support/core_ext/object/try.rb2
4 files changed, 12 insertions, 3 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/blank.rb b/activesupport/lib/active_support/core_ext/object/blank.rb
index 039c50a4a2..cb74bad73e 100644
--- a/activesupport/lib/active_support/core_ext/object/blank.rb
+++ b/activesupport/lib/active_support/core_ext/object/blank.rb
@@ -112,7 +112,10 @@ class String
#
# @return [true, false]
def blank?
- BLANK_RE === self
+ # The regexp that matches blank strings is expensive. For the case of empty
+ # strings we can speed up this method (~3.5x) with an empty? call. The
+ # penalty for the rest of strings is marginal.
+ empty? || BLANK_RE === self
end
end
diff --git a/activesupport/lib/active_support/core_ext/object/duplicable.rb b/activesupport/lib/active_support/core_ext/object/duplicable.rb
index befa5aee21..9bc5ee65ba 100644
--- a/activesupport/lib/active_support/core_ext/object/duplicable.rb
+++ b/activesupport/lib/active_support/core_ext/object/duplicable.rb
@@ -70,7 +70,7 @@ class Numeric
# Numbers are not duplicable:
#
# 3.duplicable? # => false
- # 3.dup # => TypeError: can't dup Fixnum
+ # 3.dup # => TypeError: can't dup Integer
def duplicable?
false
end
diff --git a/activesupport/lib/active_support/core_ext/object/json.rb b/activesupport/lib/active_support/core_ext/object/json.rb
index 0db787010c..d49b2fbe54 100644
--- a/activesupport/lib/active_support/core_ext/object/json.rb
+++ b/activesupport/lib/active_support/core_ext/object/json.rb
@@ -197,3 +197,9 @@ class Process::Status #:nodoc:
{ :exitstatus => exitstatus, :pid => pid }
end
end
+
+class Exception
+ def as_json(options = nil)
+ to_s
+ end
+end
diff --git a/activesupport/lib/active_support/core_ext/object/try.rb b/activesupport/lib/active_support/core_ext/object/try.rb
index 8c16d95b62..3b6d9da216 100644
--- a/activesupport/lib/active_support/core_ext/object/try.rb
+++ b/activesupport/lib/active_support/core_ext/object/try.rb
@@ -99,7 +99,7 @@ class Object
#
# "a".try!(:upcase) # => "A"
# nil.try!(:upcase) # => nil
- # 123.try!(:upcase) # => NoMethodError: undefined method `upcase' for 123:Fixnum
+ # 123.try!(:upcase) # => NoMethodError: undefined method `upcase' for 123:Integer
end
class Delegator