instance method `upcase_first`

Ruby on Rails 5.2.8.1

Since v5.2.8.1

Available in: 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:

upcase_first(string)

Converts just the first character to uppercase.

upcase_first('what a Lovely Day') # => "What a Lovely Day"
upcase_first('w')                 # => "W"
upcase_first('')                  # => ""

Parameters

string req

Source

# File activesupport/lib/active_support/inflector/methods.rb, line 156
    def upcase_first(string)
      string.length > 0 ? string[0].upcase.concat(string[1..-1]) : ""
    end

Defined in activesupport/lib/active_support/inflector/methods.rb line 156 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveSupport::Inflector

Signature

Parameters