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6.9.2 functor, args, funargs

functor(func)
:: Functor of function form func.
args(func)
:: List of arguments of function form func.
funargs(func)
:: cons(functor(func),args(func)).

return
functor() : indeterminate, args(), funargs() : list
func
function form

 
[0] functor(sin(x));
sin
[0] args(sin(x));
[x]
[0] funargs(sin(3*cos(y)));
[sin,3*cos(y)]
[1] for (L=[sin,cos,tan];L!=[];L=cdr(L)) {A=car(L); 
print(eval((*A)(@pi/3)));}
0.86602540349122136831
0.5000000002
1.7320508058

References
6.8.3 vtype.



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