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QuoteRef: adamEN1_1973
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all references >
Topic:
temporal relationships
Topic:
event controlled processing
Topic:
statement language
ThesaHelp:
references a-b
Topic:
persistent data structure
Topic:
variables as objects which remember a value
Reference
Adams, E.N., III, "The concept of time in programming languages", University of Illinois at Urbana-Champaign, UIUCDCS-R-73-560, January 1973. Google
5 ;;Quote: past tense is useful in conditionals, e.g., if x happened yesterday; could implement by setting flags
7 ;;Quote: although future time is not practical as conditions, it is a typical feature of imperatives
9 ;;Quote: people are expected to remember past values of attributes
9 ;;Quote: each statement carries a hidden condition, roughly, 'if execution is here, do ...'
15 ;;Quote: allow past conditionals, e.g., if b1 was true the last time b2 became true then QuoteRef: adamEN1_1973 ;;19 implements when and whenever clause by pre-processor and flag generation. only partially successful.
Topic: temporal relationships (40 items)
Topic: event controlled processing (46 items)
Topic: statement language (10 items)
ThesaHelp: references a-b (396 items)
Topic: persistent data structure (37 items)
Topic: variables as objects which remember a value (10 items)