Net::HTTPHeader#add_field

(::interned key, untyped val) -> void

add_field(key, val)

# File tmp/rubies/ruby-3.4.1/lib/net/http/header.rb, line 261
def add_field(key, val)
  stringified_downcased_key = key.downcase.to_s
  if @header.key?(stringified_downcased_key)
    append_field_value(@header[stringified_downcased_key], val)
  else
    set_field(key, val)
  end
end

Adds value val to the value array for field key if the field exists; creates the field with the given key and val if it does not exist. see Fields:

Example

req = Net::HTTP::Get.new(uri)
req.add_field('Foo', 'bar')
req['Foo']            # => "bar"
req.add_field('Foo', 'baz')
req['Foo']            # => "bar, baz"
req.add_field('Foo', %w[baz bam])
req['Foo']            # => "bar, baz, baz, bam"
req.get_fields('Foo') # => ["bar", "baz", "baz", "bam"]

See also #[]= #append_field_value #[] #basic_auth also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1 · 3.0

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