diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/string/access.rb')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/string/access.rb | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/activesupport/lib/active_support/core_ext/string/access.rb b/activesupport/lib/active_support/core_ext/string/access.rb index ebd0dd3fc7..58591bbaaf 100644 --- a/activesupport/lib/active_support/core_ext/string/access.rb +++ b/activesupport/lib/active_support/core_ext/string/access.rb @@ -1,9 +1,11 @@ +# frozen_string_literal: true + class String - # If you pass a single Fixnum, returns a substring of one character at that + # If you pass a single integer, returns a substring of one character at that # position. The first character of the string is at position 0, the next at # position 1, and so on. If a range is supplied, a substring containing # characters at offsets given by the range is returned. In both cases, if an - # offset is negative, it is counted from the end of the string. Returns nil + # offset is negative, it is counted from the end of the string. Returns +nil+ # if the initial offset falls outside the string. Returns an empty string if # the beginning of the range is greater than the end of the string. # @@ -17,7 +19,7 @@ class String # # If a Regexp is given, the matching portion of the string is returned. # If a String is given, that given string is returned if it occurs in - # the string. In both cases, nil is returned if there is no match. + # the string. In both cases, +nil+ is returned if there is no match. # # str = "hello" # str.at(/lo/) # => "lo" @@ -74,9 +76,9 @@ class String # str.first(6) # => "hello" def first(limit = 1) if limit == 0 - '' + "" elsif limit >= size - self.dup + dup else to(limit - 1) end @@ -94,9 +96,9 @@ class String # str.last(6) # => "hello" def last(limit = 1) if limit == 0 - '' + "" elsif limit >= size - self.dup + dup else from(-limit) end |