Re: Zero argument functions
- To: mathgroup at smc.vnet.net
- Subject: [mg61727] Re: Zero argument functions
- From: Bill Rowe <readnewsciv at earthlink.net>
- Date: Thu, 27 Oct 2005 05:02:03 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
On 10/26/05 at 1:01 AM, kalymereau at yahoo.fr wrote:
>For a "function" with no argument, what is the difference between:
>myFunc:=(whatever)
>and
>myFunc[]:=(whatever)
>I find the first syntax simpler, but there are many built-in
>Mathematica functions that use the second one.
Well for one thing they have different heads, i.e.,
In[1]:=f[] := x^2;
g := x^2;
Head /@ {f, g}
Out[3]={Symbol, Power}
But,
In[4]:=f[] == g
Out[4]=True
So, it isn't obvious the difference will matter in actual usage
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