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| 1 : | jhr | 129 | (* operators-sig.sml |
| 2 : | * | ||
| 3 : | * COPYRIGHT (c) 2010 The Diderot Project (http://diderot.cs.uchicago.edu) | ||
| 4 : | * All rights reserved. | ||
| 5 : | * | ||
| 6 : | * Abstract interface used to parameterize the intermediate representation | ||
| 7 : | * over the allowed operators. | ||
| 8 : | *) | ||
| 9 : | |||
| 10 : | signature OPERATORS = | ||
| 11 : | sig | ||
| 12 : | |||
| 13 : | type rator | ||
| 14 : | |||
| 15 : | val arity : rator -> int (* operator arity *) | ||
| 16 : | val same : rator * rator -> rator (* equality test *) | ||
| 17 : | val hash : rator -> word (* hash key *) | ||
| 18 : | |||
| 19 : | val toString : rator -> string | ||
| 20 : | |||
| 21 : | end |
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