• Heinz (4/4) Jan 09 2007 Hi,
• Kirk McDonald (21/27) Jan 09 2007 Aliases provide another name for an existing type. Typedefs declare a
• Bill Baxter (5/9) Jan 09 2007 I think the spec is pretty clear:
• Frits van Bommel (4/15) Jan 10 2007 And read the next few sections too.

Heinz <billgates microsoft.com> writes:

Hi,

I just wan't to know the differences between 'alias' and 'typedef' as both do
the same thing.

Thanks

Kirk McDonald <kirklin.mcdonald gmail.com> writes:

Heinz wrote:
 Hi,
 
 I just wan't to know the differences between 'alias' and 'typedef' as both do
 the same thing.
 
 Thanks

Aliases provide another name for an existing type. Typedefs declare a 
new type which happens to be identical to an existing type. This can 
matter in function overloading, for instance:

alias int IntAlias;
typedef int IntTypedef;





void main() {
     int i = 1;
     IntAlias j = 2;
     IntTypedef k = 3;




}

-- 
Kirk McDonald
Pyd: Wrapping Python with D
http://pyd.dsource.org

Bill Baxter <dnewsgroup billbaxter.com> writes:

Heinz wrote:
 Hi,
 
 I just wan't to know the differences between 'alias' and 'typedef' as both do
 the same thing.

I think the spec is pretty clear:
http://www.digitalmars.com/d/declaration.html#typedef

Have you read that yet?

--bb

Frits van Bommel <fvbommel REMwOVExCAPSs.nl> writes:

Bill Baxter wrote:
 Heinz wrote:
 Hi,

 I just wan't to know the differences between 'alias' and 'typedef' as 
 both do
 the same thing.

 
 I think the spec is pretty clear:
 http://www.digitalmars.com/d/declaration.html#typedef
 
 Have you read that yet?

And read the next few sections too.
For example, nobody has yet mentioned that alias is useful for more than 
just types.