src/Tools/SML/Examples.thy
author wenzelm
Tue, 01 Apr 2014 22:25:01 +0200
changeset 56355 1a9f569b5b7e
parent 56276 9e2d5e3debd3
child 56618 874bdedb2313
permissions -rw-r--r--
some rephrasing to ensure that this becomes cheap "foreach" and not expensive "map" (cf. 0fc032898b05);
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(*  Title:      Tools/SML/Examples.thy
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    Author:     Makarius
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*)
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header {* Standard ML within the Isabelle environment *}
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theory Examples
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imports Pure
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begin
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text {*
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  Isabelle/ML is a somewhat augmented version of Standard ML, with
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  various add-ons that are indispensable for Isabelle development, but
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  may cause conflicts with independent projects in plain Standard ML.
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  The Isabelle/Isar command 'SML_file' supports official Standard ML
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  within the Isabelle environment, with full support in the Prover IDE
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  (Isabelle/jEdit).
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  Here is a very basic example that defines the factorial function and
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  evaluates it for some arguments.
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*}
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SML_file "factorial.sml"
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text {*
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  The subsequent example illustrates the use of multiple 'SML_file'
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  commands to build larger Standard ML projects.  The toplevel SML
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  environment is enriched cumulatively within the theory context of
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  Isabelle --- independently of the Isabelle/ML environment.
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*}
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SML_file "Example.sig"
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SML_file "Example.sml"
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end