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doc/manual/source/language/value/int.md

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+# Int
+
+`Int` is the primitive type constraint for integer values.
+
+## Examples
+
+```dcdl
+retry = Int default 3;
+port = Int & >= 1 & <= 65535;
+```
+
+## Constraint composition
+
+`Int` can be composed with numeric comparison constraints.
+
+```dcdl
+NarrowedPort = Int & >= 1 & <= 65535 & > 443;
+```