Generic Parse method on Enum - a solution

re: Generic Parse method on Enum - a solution

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re: Generic Parse method on Enum - a solution

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re: Generic Parse method on Enum - a solution

nick_rodome — Sat, 16 May 2009 12:54:25 GMT

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Developer Tales n°6 - Generic Enum parsing « Xmlguy Weblog

Developer Tales n°6 - Generic Enum parsing « Xmlguy Weblog — Fri, 05 Dec 2008 15:37:16 GMT

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re: Generic Parse method on Enum - a solution

greyson — Sat, 15 Nov 2008 15:50:10 GMT

public static class GenericEnum<T>

where T : struct, IComparable, IFormattable, IConvertible

{

public static bool TryParse(String value)

{

bool parsable = false;

if (Enum.IsDefined(typeof(T), value))

{

parsable = true;

}

return parsable;

}

public static T Parse(String value, bool ignoreCase)

{

return (T)Enum.Parse(typeof(T), value, ignoreCase);

}

public static T Parse(String value)

{

return Parse(value, false);

}

Generic Parse method on Enum - a solution

Generic Parse method on Enum - a solution — Mon, 26 Nov 2007 19:24:21 GMT

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re: Generic Parse method on Enum - a solution

Wim — Thu, 06 Jul 2006 14:55:09 GMT

Jouni - you're right, unless you got a good reason for having a generic util class, it makes more sense just having a static generic method.

David - nice one, your generic TryParse() function. Not sure whether it'd be better to raise an exception or return a boolean if teh value cannot be parsed but hey...

Dave - yep, it would make a lot of sense, and in many cases they have not really looked at existing classes in the framework and said:"Now, where would it be useful to add generics into the mix...", even if they'd limited that to the System namespace...

re: Generic Parse method on Enum - a solution

findleyd — Thu, 06 Jul 2006 13:38:48 GMT

I'm actually doing this at the moment. Thats how I came up with the idea of Hey, why don't they just do this on the Enum class so millions of developers won't have to go write util code. :)

Personally I think MS was very conservative with the use of generics in the 2.0 fwk. Once we get to WinFX errr... .NET FWK 3.0 I think the use of gerics will explode. I just hope they remember to give the enum class some love. :P

re: Generic Parse method on Enum - a solution

David Truxall — Thu, 06 Jul 2006 13:36:29 GMT

I posted a TryParse style function for enums on my blog at http://dotnetjunkies.com/WebLog/davetrux/archive/2005/12/07/134190.aspx

re: Generic Parse method on Enum - a solution

Jouni Heikniemi — Thu, 06 Jul 2006 11:58:52 GMT

It would probably make more sense to use the type parameter at the method level (i.e. public static T Parse<T>(string s)) instead of the class level.

Having a type-parameterized utility class may be useful in some particular context, but unless it's instantiated for some purposes (such as to wrap or manage the instances of the original class/enum), I'd vote for keeping the type parameterization at the static method level.