annotate tests/rpat.ur @ 829:20fe00fd81da
Substring functions; fix a nasty MonoReduce pattern match substitution bug
| author |
Adam Chlipala <adamc@hcoop.net> |
| date |
Sat, 30 May 2009 13:29:00 -0400 |
| 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
|
