File: tryfind.doc

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\DOC tryfind

\TYPE {tryfind : ((* -> **) -> * list -> **)}

\SYNOPSIS
Returns the result of the first successful application of a function to the
elements of a list.

\KEYWORDS
list.

\DESCRIBE
{tryfind f [x1;...;xn]} returns {(f xi)} for the first {xi} in the list for
which application of {f} succeeds.

\FAILURE
Fails with {tryfind} if the application of the function fails for all elements
in the list. This will always be the case if the list is empty.

\SEEALSO
find, mem, exists, forall, assoc, rev_assoc.

\ENDDOC