Modelling environments in call-by-value programming languages

Paul Blain Levy, John Power, Hayo Thielecke

Research output: Contribution to journalArticlepeer-review

97 Citations (SciVal)


In categorical semantics, there have traditionally been two approaches to modelling environments, one by use of finite products in cartesian closed categories, the other by use of the base categories of indexed categories with structure. Each requires modifications in order to account for environments in call-by-value programming languages. There have been two more general definitions along both of these lines: the first generalising from cartesian to symmetric premonoidal categories, the second generalising from indexed categories with specified structure to κ-categories. In this paper, we investigate environments in call-by-value languages by analysing a fine-grain variant of Moggi’s computational λ-calculus, giving two equivalent sound and complete classes of models: one given by closed Freyd categories, which are based on symmetric premonoidal categories, the other given by closed κ-categories.
Original languageEnglish
Pages (from-to)182-210
Number of pages29
JournalInformation and Computation
Issue number2
Publication statusPublished - 15 Sept 2003


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