guard
<programming >
1. In functional programming, a Boolean expression attached to a function definition specifying when (for what arguments) that definition is appropriate. 2. In (parallel) logic programming, a Boolean expression which is used to select a clause from several alternative matching clauses. See Guarded Horn Clauses. 3. In parallel languages, a Boolean expression which specifies when an message may be sent or received.
Last updated: 1995年05月09日
Nearby terms:
gu ♦ guaranteed scheduling ♦ guard ♦ Guarded Horn Clauses ♦ gubbish
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