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7f918cf1 CE |
1 | (* Copyright (C) 1999-2005 Henry Cejtin, Matthew Fluet, Suresh |
2 | * Jagannathan, and Stephen Weeks. | |
3 | * | |
4 | * MLton is released under a BSD-style license. | |
5 | * See the file MLton-LICENSE for details. | |
6 | *) | |
7 | ||
8 | structure Unit: UNIT = | |
9 | struct | |
10 | ||
11 | type t = unit | |
12 | ||
13 | val equals = fn ((), ()) => true | |
14 | ||
15 | fun layout() = Layout.str"()" | |
16 | ||
17 | end |