Pattern Matching extension does not apply yet to case expressions.
This is worth stating clearly, as this is a natural use of pattern
matching to program in more functional style.
gcc/ada/
* doc/gnat_rm/gnat_language_extensions.rst: Be more explicit on
pattern matching limitation.
* gnat_rm.texi: Regenerate.
* gnat_ugn.texi: Regenerate.
Case pattern matching
---------------------
-The selector for a case statement may be of a composite type, subject to
+The selector for a case statement (but not yet for a case expression) may be of a composite type, subject to
some restrictions (described below). Aggregate syntax is used for choices
of such a case statement; however, in cases where a "normal" aggregate would
require a discrete value, a discrete subtype may be used instead; box
@subsection Case pattern matching
-The selector for a case statement may be of a composite type, subject to
+The selector for a case statement (but not yet for a case expression) may be of a composite type, subject to
some restrictions (described below). Aggregate syntax is used for choices
of such a case statement; however, in cases where a “normal” aggregate would
require a discrete value, a discrete subtype may be used instead; box
@printindex ge
-@anchor{gnat_ugn/gnat_utility_programs switches-related-to-project-files}@w{ }
@anchor{cf}@w{ }
+@anchor{gnat_ugn/gnat_utility_programs switches-related-to-project-files}@w{ }
@c %**end of body
@bye