[Haskell-cafe] Re: Ignorant begginer question

[Jules Bean]

On 24 Dec 2004, at 14:53, John Goerzen wrote:

> On 2004-12-23, Stefan Holdermans <sholderm at students.cs.uu.nl> wrote:
>> Your problem right now is that the type Complex takes (needs) a type
>> argument. Its definitions is (module strictness flags):
>>
>>    data Complex a = a :+ a
>
> What does the :+ mean here?
>

It's a data constructor, written infix. Infix constructors all begin 
with ':', I think.

Jules