Merge pull request #19545 from JuliaLang/sh/fast_date_parsing

speed up date time parsing

Author: shashi

base/dates/Dates.jl

@@ -17,6 +17,7 @@ include("ranges.jl")
 include("adjusters.jl")
 include("rounding.jl")
 include("io.jl")
+include("parse.jl")
 
 export Period, DatePeriod, TimePeriod,
        Year, Month, Week, Day, Hour, Minute, Second, Millisecond,
@@ -47,6 +48,6 @@ export Period, DatePeriod, TimePeriod,
        firstdayofquarter, lastdayofquarter,
        adjust, tonext, toprev, tofirst, tolast,
        # io.jl
-       ISODateTimeFormat, ISODateFormat, DateFormat, RFC1123Format
+       ISODateTimeFormat, ISODateFormat, DateFormat, RFC1123Format, @dateformat_str
 
 end # module