File: el.doc

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\DOC el

\TYPE {el : int -> 'a list -> 'a}

\SYNOPSIS
Extracts a specified element from a list.

\DESCRIBE
{el i [x0;x1;...;xn]} returns {xi}. Note that the elements are numbered
starting from {0}, not {1}.

\FAILURE
Fails with {el} if the integer argument is negative or greater than the
length of the list.

\EXAMPLE
{
  # el 3 [1;2;7;1];;
  val it : int = 1
}

\SEEALSO
hd, tl.

\ENDDOC