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-rw-r--r--activesupport/lib/active_support/core_ext/string/access.rb8
1 files changed, 4 insertions, 4 deletions
diff --git a/activesupport/lib/active_support/core_ext/string/access.rb b/activesupport/lib/active_support/core_ext/string/access.rb
index 6018fd9641..ebd0dd3fc7 100644
--- a/activesupport/lib/active_support/core_ext/string/access.rb
+++ b/activesupport/lib/active_support/core_ext/string/access.rb
@@ -64,7 +64,7 @@ class String
# Returns the first character. If a limit is supplied, returns a substring
# from the beginning of the string until it reaches the limit value. If the
- # given limit is greater than or equal to the string length, returns self.
+ # given limit is greater than or equal to the string length, returns a copy of self.
#
# str = "hello"
# str.first # => "h"
@@ -76,7 +76,7 @@ class String
if limit == 0
''
elsif limit >= size
- self
+ self.dup
else
to(limit - 1)
end
@@ -84,7 +84,7 @@ class String
# Returns the last character of the string. If a limit is supplied, returns a substring
# from the end of the string until it reaches the limit value (counting backwards). If
- # the given limit is greater than or equal to the string length, returns self.
+ # the given limit is greater than or equal to the string length, returns a copy of self.
#
# str = "hello"
# str.last # => "o"
@@ -96,7 +96,7 @@ class String
if limit == 0
''
elsif limit >= size
- self
+ self.dup
else
from(-limit)
end