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Document FreePort.

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This commit is contained in:
Markus Reiter 2020-08-17 06:01:54 +02:00
parent 3d1f0ded39
commit b6b102effb
1 changed files with 8 additions and 3 deletions
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11
Library/Homebrew/formula_free_port.rb
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@ -1,9 +1,14 @@
# frozen_string_literal: true # frozen_string_literal: true
module Homebrew require "socket"
module FreePort
require "socket"
module Homebrew
# Helper function for finding a free port.
#
# @api private
module FreePort
# Returns a free port.
# @api public
def free_port def free_port
server = TCPServer.new 0 server = TCPServer.new 0
_, port, = server.addr _, port, = server.addr