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instance method
Net::HTTPHeader#each_name
each_name() { |key| ... }
lib/net/http/header.rb
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# File tmp/rubies/ruby-3.1.3/lib/net/http/header.rb, line 152
def each_name(&block) #:yield: +key+
block_given? or return enum_for(__method__) { @header.size }
@header.each_key(&block)
end
Iterates through the header names in the header, passing each header name to the code block.
Returns an enumerator if no block is given.