first(limit = 1) public

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.

str = "hello" str.first # => "h" str.first(1) # => "h" str.first(2) # => "he" str.first(0) # => "" str.first(6) # => "hello"
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