instance method `last`

Ruby on Rails 6.0.6

Since v3.0.20

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

last(limit = 1)

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 a copy of self.

str = "hello"
str.last    # => "o"
str.last(1) # => "o"
str.last(2) # => "lo"
str.last(0) # => ""
str.last(6) # => "hello"

Parameters

limit opt = 1

Source

# File activesupport/lib/active_support/core_ext/string/access.rb, line 101
  def last(limit = 1)
    ActiveSupport::Deprecation.warn(
      "Calling String#last with a negative integer limit " \
      "will raise an ArgumentError in Rails 6.1."
    ) if limit < 0
    if limit == 0
      ""
    elsif limit >= size
      dup
    else
      from(-limit)
    end
  end

Defined in activesupport/lib/active_support/core_ext/string/access.rb line 101 · View on GitHub · Improve this page · Find usages on GitHub

Defined in String

Signature

Parameters