MathGroup Archive 2005

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Zero argument functions


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
--
To reply via email subtract one hundred and four


  • Prev by Date: Slow simplify[], integrate[] in 5.2 for Mac
  • Next by Date: Re: Zero argument functions
  • Previous by thread: Re: Zero argument functions
  • Next by thread: Re: Zero argument functions