File: outr.doc

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\DOC outr

\TYPE {outr : ((* + **) -> **)}

\SYNOPSIS
Projects out of right summand.

\DESCRIBE
The function {outr} is associated with the disjoint union construction of
types. It projects out of the right summand of the union.

\FAILURE
Fails if the operand is a left summand.

\EXAMPLE
{
#let x = inl 1
#and y = inr 2;;
x = inl 1 : (int + *)
y = inr 2 : (* + int)

#outr x;;
evaluation failed     outr

#outr y;;
2 : int
}
\SEEALSO
outl, inl, inr, isl

\ENDDOC