Method: String#last

Defined in:
lib/active_support/core_ext/string/access.rb

#last(limit = 1) ⇒ Object

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"


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# File 'lib/active_support/core_ext/string/access.rb', line 92

def last(limit = 1)
  self[[length - limit, 0].max, limit] || raise(ArgumentError, "negative limit")
end