method

first

v3.0.9 - Show latest stable - 0 notes - Class: String

1.0.0
1.1.6
1.2.6
2.0.3
2.1.0
2.2.1
2.3.8
3.0.0 (0)
3.0.9 (-3)
3.1.0 (0)
3.2.1 (0)
3.2.8 (0)
3.2.13 (0)
4.0.2 (38)
4.1.8 (1)
4.2.1 (2)
4.2.7 (0)
4.2.9 (0)
5.0.0.1 (0)
5.1.7 (0)
5.2.3 (0)
6.0.0 (0)
6.1.3.1 (0)
6.1.7.7 (0)
7.0.0 (0)
7.1.3.2 (0)
7.1.3.4 (0)
What's this?

first(limit = 1) public

Returns the first character of the string or the first limit characters.

Examples:

"hello".first     # => "h"
"hello".first(2)  # => "he"
"hello".first(10) # => "hello"

Show source

# File activesupport/lib/active_support/core_ext/string/access.rb, line 41
    def first(limit = 1)
      if limit == 0
        ''
      elsif limit >= size
        self
      else
        mb_chars[0...limit].to_s
      end
    end

first

Related methods