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Add pattern operators to the documentation of operators

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Daniel Thayer 2018-06-27 14:00:32 -05:00
parent ceefb6edaf
commit bd74b4525b
1 changed files with 26 additions and 0 deletions
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doc/script-reference/operators.rst
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@ -141,6 +141,32 @@ field name must be in the declaration of the record type.
+------------------------------+-------------+-------------------------------+
Pattern operators
-----------------
In the table below, *p* is a pattern, and *s* is a string.
+------------------------------+-------------+-------------------------------+
| Name | Syntax | Notes |
+==============================+=============+===============================+
| Exact matching | *p* == *s* | Evaluates to a boolean, |
| | | indicating if the entire |
| | | string exactly matches the |
| | | pattern. |
+------------------------------+-------------+-------------------------------+
| Embedded matching | *p* in *s* | Evaluates to a boolean, |
| | | indicating if pattern is |
| | | found somewhere in the string.|
+------------------------------+-------------+-------------------------------+
| Conjunction | *p1* & *p2* | Evaluates to a pattern that |
| | | represents matching p1 |
| | | followed by p2. |
+------------------------------+-------------+-------------------------------+
| Disjunction | *p1* | *p2* | Evaluates to a pattern that |
| | | represents matching p1 or p2. |
+------------------------------+-------------+-------------------------------+
Type casting
------------