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Finding the size of an Icon list

The unary ``*'' operator, applied to a list, returns the number of elements in the list. For example, this program fragment should print the number 23:

    foo  :=  list ( 23 );
    write ( * foo );

Here is an expression that writes every element of list ``L'':

    every  i := 1 to ( * L )  do
      write ( L[i] );

Next: Using Icon lists as arrays
See also: Using the list type in Icon
Previous: Creating an Icon list of a fixed size
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John Shipman, john@nmt.edu

Last updated: 1996/01/06 21:12:57 UT
URL: http://www.nmt.edu/tcc/help/lang/icon/listsize.html