File: find_term.doc

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\DOC find_term

\TYPE {find_term : (term -> bool) -> term -> term}

\SYNOPSIS
Searches a term for a subterm that satisfies a given predicate.

\DESCRIBE
The largest subterm, in a depth-first, left-to-right search
of the given term, that satisfies the predicate is returned.

\FAILURE
Fails if no subterm of the given term satisfies the predicate.

\EXAMPLE
{
  # find_term is_var `x + y + z`;;
  val it : term = `x`
}

\SEEALSO
find_terms.

\ENDDOC