| author | wenzelm | 
| Thu, 11 Jan 2018 13:48:17 +0100 | |
| changeset 67405 | e9ab4ad7bd15 | 
| parent 66415 | 96ad7d5ff613 | 
| child 71601 | 97ccf48c2f0c | 
| permissions | -rw-r--r-- | 
| 52530 
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explicit module Document_ID as source of globally unique identifiers across ML/Scala;
 wenzelm parents: diff
changeset | 1 | /* Title: Pure/PIDE/document_id.scala | 
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explicit module Document_ID as source of globally unique identifiers across ML/Scala;
 wenzelm parents: diff
changeset | 2 | Author: Makarius | 
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99dd8b4ef3fe
explicit module Document_ID as source of globally unique identifiers across ML/Scala;
 wenzelm parents: diff
changeset | 3 | |
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explicit module Document_ID as source of globally unique identifiers across ML/Scala;
 wenzelm parents: diff
changeset | 4 | Unique identifiers for document structure. | 
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explicit module Document_ID as source of globally unique identifiers across ML/Scala;
 wenzelm parents: diff
changeset | 5 | |
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explicit module Document_ID as source of globally unique identifiers across ML/Scala;
 wenzelm parents: diff
changeset | 6 | NB: ML ticks forwards > 0, JVM ticks backwards < 0. | 
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explicit module Document_ID as source of globally unique identifiers across ML/Scala;
 wenzelm parents: diff
changeset | 7 | */ | 
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explicit module Document_ID as source of globally unique identifiers across ML/Scala;
 wenzelm parents: diff
changeset | 8 | |
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explicit module Document_ID as source of globally unique identifiers across ML/Scala;
 wenzelm parents: diff
changeset | 9 | package isabelle | 
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explicit module Document_ID as source of globally unique identifiers across ML/Scala;
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changeset | 10 | |
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explicit module Document_ID as source of globally unique identifiers across ML/Scala;
 wenzelm parents: diff
changeset | 11 | |
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explicit module Document_ID as source of globally unique identifiers across ML/Scala;
 wenzelm parents: diff
changeset | 12 | object Document_ID | 
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explicit module Document_ID as source of globally unique identifiers across ML/Scala;
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changeset | 13 | {
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| 52531 | 14 | type Generic = Long | 
| 15 | type Version = Generic | |
| 16 | type Command = Generic | |
| 17 | type Exec = Generic | |
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explicit module Document_ID as source of globally unique identifiers across ML/Scala;
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changeset | 18 | |
| 52531 | 19 | val none: Generic = 0 | 
| 52537 | 20 | val make = Counter.make() | 
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explicit module Document_ID as source of globally unique identifiers across ML/Scala;
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changeset | 21 | |
| 63805 | 22 | def apply(id: Generic): String = Value.Long.apply(id) | 
| 23 | def unapply(s: String): Option[Generic] = Value.Long.unapply(s) | |
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explicit module Document_ID as source of globally unique identifiers across ML/Scala;
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changeset | 24 | } |