## Mercurial > urweb

### view tests/rpat.ur @ 2237:e79ef5792c8b

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Fix bug in redundancy checking and use finer formula for UPDATE statements.

author | Ziv Scully <ziv@mit.edu> |
---|---|

date | Sun, 05 Jul 2015 23:57:28 -0700 |

parents | 71bafe66dbe1 |

children |

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val f = fn x : {A : int} => case x of {A = _} => 0 val f = fn x : {A : int} => case x of {A = _, ...} => 0 val f = fn x : {A : int, B : int} => case x of {A = _, ...} => 0 val f = fn x : {A : int, B : int} => case x of {A = 1, B = 2} => 0 | {A = _, ...} => 1 datatype t = A | B val f = fn x => case x of {A = A, B = 2} => 0 | {A = A, ...} => 0 | {A = B, ...} => 0 val f = fn x => case x of {A = {A = A, ...}, B = B} => 0 | {B = A, ...} => 1 | {A = {A = B, B = A}, B = B} => 2 | {A = {A = B, B = B}, B = B} => 3