From: "nobu (Nobuyoshi Nakada)" Date: 2021-12-06T04:55:17+00:00 Subject: [ruby-core:106501] [Ruby master Feature#18033] Time.new to parse a string Issue #18033 has been updated by nobu (Nobuyoshi Nakada). Eregon (Benoit Daloze) wrote in #note-10: > Also it's technically incompatible (the first argument is always the year for `Time.new` and it even accepts strings): > ``` > > Time.new "2234-01-01T00:00:00+07:00" > => 2234-01-01 00:00:00 +0100 > ``` Actually this code raises an `ArgumentError` in the master, since https://bugs.ruby-lang.org/issues/17485#change-89871. ---------------------------------------- Feature #18033: Time.new to parse a string https://bugs.ruby-lang.org/issues/18033#change-95161 * Author: nobu (Nobuyoshi Nakada) * Status: Open * Priority: Normal ---------------------------------------- Make `Time.new` parse `Time#inspect` and ISO-8601 like strings. * `Time.iso8601` and `Time.parse` need an extension library, `date`. * `Time.iso8601` can't parse `Time#inspect` string. * `Time.parse` often results in unintentional/surprising results. * `Time.new` also about 1.9 times faster than `Time.iso8601`. ``` $ ./ruby -rtime -rbenchmark -e ' n = 1000 s = Time.now.iso8601 Benchmark.bm(12) do |x| x.report("Time.iso8601") {n.times{Time.iso8601(s)}} x.report("Time.parse") {n.times{Time.parse(s)}} x.report("Time.new") {n.times{Time.new(s)}} end' user system total real Time.iso8601 0.006919 0.000185 0.007104 ( 0.007091) Time.parse 0.018338 0.000207 0.018545 ( 0.018590) Time.new 0.003671 0.000069 0.003740 ( 0.003741) ``` https://github.com/ruby/ruby/pull/4639 -- https://bugs.ruby-lang.org/ Unsubscribe: