instance method `first`

Ruby on Rails 3.2.22.5

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:

first(limit = 1)

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

Examples:

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

Parameters

limit opt = 1

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

Defined in activesupport/lib/active_support/core_ext/string/access.rb line 41 · View on GitHub · Improve this page · Find usages on GitHub

Defined in String

Signature

Parameters