or string types and associate methods with them:
</p>

<pre>
type TimeZone int

const (
	EST TimeZone = -(5 + iota)
	CST
	MST
	PST
)

func (tz TimeZone) String() string {
	return fmt.Sprintf("GMT%+dh", tz)
}
</pre>


<h3 id="Variable_declarations">Variable declarations</h3>

<p>

d|Thu|Fri|Sat|Sun),?\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\d{4}))$/,pa={UT:0,GMT:0,EDT:-240,EST:-300,CDT:-300,CST:-360,MDT:-360,MST:-420,PDT:-420,PST:-480};function ka(e){var a,t,s,n,r,d,i=e._i,_=Ma.exec(i)||ha.exec(i);if(_){for(L(e).iso=!0,a=0,t=La.length;a<t;a++)if(La[a][1].exec(_[1])){n=La[a][0],s=!1!==La[a][2];break}if(null==n)return void(e._isValid=!1);if(_[3]){for(a=0,t=Ya.length;a<t;a++)i...

Locale","forEach","checkOverflow","_a","_overflowDayOfYear","_overflowWeeks","_overflowWeekday","extendedIsoRegex","basicIsoRegex","tzRegex","isoDates","isoTimes","aspNetJsonRegex","obsOffsets","UT","GMT","EDT","EST","CDT","CST","MDT","MST","PDT","PST","configFromISO","l","allowTime","dateFormat","timeFormat","tzFormat","string","exec","configFromStringAndFormat","extractFromRFC2822Strings","yearStr","monthStr","dayStr","hourStr","minuteStr","secondStr","result","untruncateYear","configFromRFC28...

or string types and associate methods with them:
</p>

<pre>
type TimeZone int

const (
	EST TimeZone = -(5 + iota)
	CST
	MST
	PST
)

func (tz TimeZone) String() string {
	return fmt.Sprintf("GMT%+dh", tz)
}
</pre>

<p>
If the type definition specifies <a href="#Type_parameter_declarations">type parameters</a>,