Document Str.Version

Author: stoned

doc/Type/Str.pod6

@@ -1132,6 +1132,18 @@ they will not be converted to a number by C<val>, by design.
 See L«unival|/routine/unival» if you need to convert such characters to
 C<Numeric>.
 
+=head2 method Version
+
+    method Version(Str:D: --> Version:D)
+
+Coerces the string to L<Version|/type/Version>.
+
+This could be used for L<type coercion in
+signature|/type/Signature#Coercion_type>, as for example:
+
+    sub f(Version(Str) $want-version) { say $want-version.^name };
+    f "1.2.3";  # OUTPUT: «Version␤»
+
 =end pod
 
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