File: FIRST_CONV.doc

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\DOC FIRST_CONV

\TYPE {FIRST_CONV : (conv list -> conv)}

\SYNOPSIS
Apply the first of the conversions in a given list that succeeds.

\KEYWORDS
conversional.

\DESCRIBE
{FIRST_CONV [c1;...;cn] "t"} returns the result of applying to the term {"t"}
the first conversion {ci} that succeeds when applied to {"t"}.  The conversions
are tried in the order in which they are given in the list.

\FAILURE
{FIRST_CONV [c1;...;cn] "t"} fails if all the conversions {c1}, ..., {cn} fail
when applied to the term {"t"}.  {FIRST_CONV cs "t"} also fails if {cs} is the
empty list.

\SEEALSO
ORELSEC.

\ENDDOC