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Time constants, in seconds, so you don't have to use slow ActiveSupport helpers
Ruby
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Static code generation.

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Evan Weaver authored
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Manifest Manifest
README Benchmarks.
Rakefile Static code generation.

README

TimeConstants

Time constants, in seconds, so you don't have to use slow ActiveSupport helpers.

== Usage

  require 'time_constants'

You get toplevel constants from 0 to 100, except for days, which goes to 500.

  T_1_SECOND
  T_2_SECONDS

  T_1_MINUTE
  T_2_MINUTES

  T_1_HOUR
  T_2_HOURS

  T_1_DAY
  T_2_DAYS

  T_1_WEEK
  T_2_WEEKS

  T_1_MONTH
  T_2_MONTHS

  T_1_YEAR
  T_2_YEARS

  T_1_SOLAR_YEAR
  T_2_SOLAR_YEARS

Note that you do not need to refer to <tt>Time::</tt>.

== Benchmark

  require 'time_constants'
  require 'active_support'

  def benchmark(times = 100000, samples = 20)
    times *= samples
    cur = Time.now
    result = times.times { yield }
    print "#{cur = (Time.now - cur) / samples.to_f } seconds"
    puts " (#{(cur / $last_benchmark * 100).to_i - 100}% change)" rescue puts ""
    $last_benchmark = cur
    result
  end

  > benchmark { T_6_MONTHS }
  0.03336355 seconds
  > benchmark { 6.months.to_i }
  1.65868245 seconds (4871% change)

== License

Copyright 2011 Twitter, Inc. Licensed under the Apache 2 license. See the included LICENSE file.
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