init commit again

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parent 448147e7da
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--- a/IBAF-cbs/Funcons-beta/Values/Abstraction/Generic/Generic.cbs
+++ b/IBAF-cbs/Funcons-beta/Values/Abstraction/Generic/Generic.cbs
@@ -0,0 +1,49 @@
+### Generic abstractions
+
+[
+  Type   abstractions
+  Funcon abstraction
+  Funcon closure
+  Funcon enact
+]
+
+
+Meta-variables
+  T <: values
+  T? <: values?
+
+
+Type
+  abstractions(_:computation-types)
+
+
+Funcon
+  abstraction(_:T?=>T) : abstractions(T?=>T)
+/*
+  The funcon `abstraction(X)` forms abstraction values from computations.
+  
+  References to bindings of identifiers in `X` are dynamic.
+  The funcon `closure(X)` forms abstractions with static bindings.
+*/
+
+
+Funcon
+  closure(_:T?=>T) : =>abstractions(T?=>T)
+/*
+  `closure(X)` computes a closed abstraction from the computation `X`.
+  In contrast to `abstraction(X)`, references to bindings of identifiers
+  in `X` are static. Moreover, `closure(X)` is not a value constructor,
+  so it cannot be used in pattern terms in rules.
+*/
+Rule
+  environment(Rho) |- closure(X) ---> abstraction(closed(scope(Rho, X)))
+
+
+Funcon
+  enact(_:abstractions(T?=>T)) : T?=>T
+/*
+  `enact(A)` executes the computation of the abstraction `A`,
+  with access to all the current entities.
+*/
+Rule
+  enact(abstraction(X)) ~> X
--- a/IBAF-cbs/Funcons-beta/Values/Abstraction/Generic/index.md
+++ b/IBAF-cbs/Funcons-beta/Values/Abstraction/Generic/index.md
@@ -0,0 +1,85 @@
+---
+layout: default
+title: "Generic"
+parent: Abstraction
+ancestor: Funcons-beta
+
+---
+
+[Funcons-beta] : [Generic.cbs]
+-----------------------------
+
+### Generic abstractions
+
+<div class="highlighter-rouge"><pre class="highlight"><code>[
+  <i class="keyword">Type</i>   <span class="name"><a href="#Name_abstractions">abstractions</a></span>
+  <i class="keyword">Funcon</i> <span class="name"><a href="#Name_abstraction">abstraction</a></span>
+  <i class="keyword">Funcon</i> <span class="name"><a href="#Name_closure">closure</a></span>
+  <i class="keyword">Funcon</i> <span class="name"><a href="#Name_enact">enact</a></span>
+]</code></pre></div>
+
+
+
+<div class="highlighter-rouge"><pre class="highlight"><code><i class="keyword">Meta-variables</i>
+  <span id="PartVariable_T"><i class="var">T</i></span> <: <span class="name"><a href="../../Value-Types/index.html#Name_values">values</a></span>
+  <span id="PartVariable_T?"><i class="var">T<sup class="sup">?</sup></i></span> <: <span class="name"><a href="../../Value-Types/index.html#Name_values">values</a></span><sup class="sup">?</sup></code></pre></div>
+
+
+
+<div class="highlighter-rouge"><pre class="highlight"><code><i class="keyword">Type</i>
+  <span class="name"><span id="Name_abstractions">abstractions</span></span>(_:<span class="name"><a href="../../../Computations/Computation-Types/index.html#Name_computation-types">computation-types</a></span>)</code></pre></div>
+<div class="highlighter-rouge"><pre class="highlight"><code><i class="keyword">Funcon</i>
+  <span class="name"><span id="Name_abstraction">abstraction</span></span>(_:<span id="Variable80_T?"><i class="var">T<sup class="sup">?</sup></i></span>=><span id="Variable86_T"><i class="var">T</i></span>) : <span class="name"><a href="#Name_abstractions">abstractions</a></span>(<span id="Variable102_T?"><i class="var">T<sup class="sup">?</sup></i></span>=><span id="Variable108_T"><i class="var">T</i></span>)</code></pre></div>
+
+  The funcon <code><span class="name"><a href="#Name_abstraction">abstraction</a></span>(<i class="var">X</i>)</code> forms abstraction values from computations.
+  
+  References to bindings of identifiers in <code><i class="var">X</i></code> are dynamic.
+  The funcon <code><span class="name"><a href="#Name_closure">closure</a></span>(<i class="var">X</i>)</code> forms abstractions with static bindings.
+
+
+
+<div class="highlighter-rouge"><pre class="highlight"><code><i class="keyword">Funcon</i>
+  <span class="name"><span id="Name_closure">closure</span></span>(_:<span id="Variable186_T?"><i class="var">T<sup class="sup">?</sup></i></span>=><span id="Variable192_T"><i class="var">T</i></span>) : =><span class="name"><a href="#Name_abstractions">abstractions</a></span>(<span id="Variable209_T?"><i class="var">T<sup class="sup">?</sup></i></span>=><span id="Variable215_T"><i class="var">T</i></span>)</code></pre></div>
+
+  <code><span class="name"><a href="#Name_closure">closure</a></span>(<i class="var">X</i>)</code> computes a closed abstraction from the computation <code><i class="var">X</i></code>.
+  In contrast to <code><span class="name"><a href="#Name_abstraction">abstraction</a></span>(<i class="var">X</i>)</code>, references to bindings of identifiers
+  in <code><i class="var">X</i></code> are static. Moreover, <code><span class="name"><a href="#Name_closure">closure</a></span>(<i class="var">X</i>)</code> is not a value constructor,
+  so it cannot be used in pattern terms in rules.
+
+<div class="highlighter-rouge"><pre class="highlight"><code><i class="keyword">Rule</i>
+  <span class="ent-name"><a href="../../../Computations/Normal/Binding/index.html#Name_environment">environment</a></span>(<span id="Variable323_Rho"><i class="var">Rho</i></span>) |- <span class="name"><a href="#Name_closure">closure</a></span>(<span id="Variable340_X"><i class="var">X</i></span>) ---> <span class="name"><a href="#Name_abstraction">abstraction</a></span>(<span class="name"><a href="../../../Computations/Normal/Binding/index.html#Name_closed">closed</a></span>(<span class="name"><a href="../../../Computations/Normal/Binding/index.html#Name_scope">scope</a></span>(<a href="#Variable323_Rho"><i class="var">Rho</i></a>, <a href="#Variable340_X"><i class="var">X</i></a>)))</code></pre></div>
+
+
+
+<div class="highlighter-rouge"><pre class="highlight"><code><i class="keyword">Funcon</i>
+  <span class="name"><span id="Name_enact">enact</span></span>(_:<span class="name"><a href="#Name_abstractions">abstractions</a></span>(<span id="Variable396_T?"><i class="var">T<sup class="sup">?</sup></i></span>=><span id="Variable402_T"><i class="var">T</i></span>)) : <span id="Variable423_T?"><i class="var">T<sup class="sup">?</sup></i></span>=><span id="Variable429_T"><i class="var">T</i></span></code></pre></div>
+
+  <code><span class="name"><a href="#Name_enact">enact</a></span>(<i class="var">A</i>)</code> executes the computation of the abstraction <code><i class="var">A</i></code>,
+  with access to all the current entities.
+
+<div class="highlighter-rouge"><pre class="highlight"><code><i class="keyword">Rule</i>
+  <span class="name"><a href="#Name_enact">enact</a></span>(<span class="name"><a href="#Name_abstraction">abstraction</a></span>(<span id="Variable478_X"><i class="var">X</i></span>)) ~> <a href="#Variable478_X"><i class="var">X</i></a></code></pre></div>
+
+
+
+____
+
+From the [PLanCompS Project] | [CBS-beta issues...] | [Suggest an improvement...]
+
+[Generic.cbs]: Generic.cbs 
+  "CBS SOURCE FILE"
+[Funcons-beta]: /CBS-beta/docs/Funcons-beta
+  "FUNCONS-BETA"
+[Unstable-Funcons-beta]: /CBS-beta/docs/Unstable-Funcons-beta
+  "UNSTABLE-FUNCONS-BETA"
+[Languages-beta]: /CBS-beta/docs/Languages-beta
+  "LANGUAGES-BETA"
+[Unstable-Languages-beta]: /CBS-beta/docs/Unstable-Languages-beta
+  "UNSTABLE-LANGUAGES-BETA"
+[CBS-beta]: /CBS-beta "CBS-BETA"
+[PLanCompS Project]: https://plancomps.github.io
+  "PROGRAMMING LANGUAGE COMPONENTS AND SPECIFICATIONS PROJECT HOME PAGE"
+[CBS-beta issues...]: https://github.com/plancomps/CBS-beta/issues
+  "CBS-BETA ISSUE REPORTS ON GITHUB"
+[Suggest an improvement...]: mailto:plancomps@gmail.com?Subject=CBS-beta%20-%20comment&Body=Re%3A%20CBS-beta%20specification%20at%20Values/Abstraction/Generic/Generic.cbs%0A%0AComment/Query/Issue/Suggestion%3A%0A%0A%0ASignature%3A%0A 
+  "GENERATE AN EMAIL TEMPLATE"
--- a/IBAF-cbs/Funcons-beta/Values/Abstraction/Generic/tests/abstraction.config
+++ b/IBAF-cbs/Funcons-beta/Values/Abstraction/Generic/tests/abstraction.config
@@ -0,0 +1,25 @@
+general {
+    funcon-term: 
+      initialise-giving
+      initialise-binding
+      scope(
+        bind-value("x",99),
+        give(
+          tuple(
+            99,
+            abstraction(
+              sequential(
+                print first tuple-elements given,
+                print bound-value"x"))), 
+          scope(
+            bind-value("x",42),
+            give(
+              tuple(42, second tuple-elements given),
+              enact second tuple-elements given))))        
+        ;
+}
+
+tests {
+    result-term: null-value;
+    standard-out: [42, 42];
+}
--- a/IBAF-cbs/Funcons-beta/Values/Abstraction/Generic/tests/closure.config
+++ b/IBAF-cbs/Funcons-beta/Values/Abstraction/Generic/tests/closure.config
@@ -0,0 +1,25 @@
+general {
+    funcon-term: 
+      initialise-giving
+      initialise-binding
+      scope(
+        bind-value("x",42),
+        give(
+          tuple(
+            99,
+            closure(
+              sequential(
+                print first tuple-elements given,
+                print bound-value"x"))), 
+          scope(
+            bind-value("x",99),
+            give(
+              tuple(42, second tuple-elements given),
+              enact second tuple-elements given))))        
+        ;
+}
+
+tests {
+    result-term: null-value;
+    standard-out: [42, 42];
+}