speed up `underscore` in cases that don't need to do anything
Benchmark: Benchmark.ips do |x| x.report("home") { "home".underscore } x.report("Home") { "Home".underscore } x.report("homeBase") { "homeBase".underscore } x.report("home::base") { "home::base".underscore } end Before: Calculating ------------------------------------- home 2598 i/100ms Home 2463 i/100ms homeBase 2300 i/100ms home::base 2086 i/100ms ------------------------------------------------- home 28522.3 (±14.7%) i/s - 140292 in 5.065102s Home 29165.8 (±14.9%) i/s - 140391 in 5.000475s homeBase 26218.5 (±7.1%) i/s - 131100 in 5.030485s home::base 27712.3 (±5.9%) i/s - 139762 in 5.064077s After: Calculating ------------------------------------- home 23163 i/100ms Home 2432 i/100ms homeBase 2160 i/100ms home::base 2265 i/100ms ------------------------------------------------- home 1501614.8 (±10.2%) i/s - 7412160 in 5.009540s Home 28754.0 (±8.5%) i/s - 143488 in 5.033886s homeBase 25331.1 (±5.6%) i/s - 127440 in 5.047940s home::base 27089.9 (±5.5%) i/s - 135900 in 5.033516s
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