Ur/Web: tests/rpat.ur annotate

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author	Adam Chlipala <adam@chlipala.net>
date	Sun, 09 Feb 2014 19:29:36 -0500
parents	71bafe66dbe1
children

rev	line source
adamc@175	1 val f = fn x : {A : int} => case x of {A = _} => 0
adamc@175	2 val f = fn x : {A : int} => case x of {A = _, ...} => 0
adamc@175	3 val f = fn x : {A : int, B : int} => case x of {A = _, ...} => 0
adamc@175	4 val f = fn x : {A : int, B : int} => case x of {A = 1, B = 2} => 0 \| {A = _, ...} => 1
adamc@175	5
adamc@175	6 datatype t = A \| B
adamc@175	7
adamc@175	8 val f = fn x => case x of {A = A, B = 2} => 0 \| {A = A, ...} => 0 \| {A = B, ...} => 0
adamc@175	9
adamc@175	10 val f = fn x => case x of {A = {A = A, ...}, B = B} => 0
adamc@175	11 \| {B = A, ...} => 1
adamc@175	12 \| {A = {A = B, B = A}, B = B} => 2
adamc@175	13 \| {A = {A = B, B = B}, B = B} => 3

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