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| author | Tristan Gingold <tgingold@free.fr> | 2021-11-09 20:46:38 +0100 |
|---|---|---|
| committer | Tristan Gingold <tgingold@free.fr> | 2021-11-09 20:46:38 +0100 |
| commit | 144cedec159574df474579fa2cc7fde7e61eadbc (patch) | |
| tree | cf6baa5b3a959d0c91ca837b9383930d9e2486b6 /src/lists.ads | |
| parent | fbd853c88b4b1c3008b1b39882ac2b99b6e59460 (diff) | |
| download | ghdl-144cedec159574df474579fa2cc7fde7e61eadbc.tar.gz ghdl-144cedec159574df474579fa2cc7fde7e61eadbc.tar.bz2 ghdl-144cedec159574df474579fa2cc7fde7e61eadbc.zip | |
lists: add a subtype for valid lists
Diffstat (limited to 'src/lists.ads')
| -rw-r--r-- | src/lists.ads | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/lists.ads b/src/lists.ads index a4359b51b..d06170223 100644 --- a/src/lists.ads +++ b/src/lists.ads @@ -24,6 +24,8 @@ package Lists is Null_List : constant List_Type := 0; List_All : constant List_Type := 1; + subtype List_Valid_Type is List_Type range List_All + 1 .. List_Type'Last; + ----------- -- Lists -- ----------- @@ -99,7 +101,7 @@ package Lists is -- end loop; type Iterator is private; - function Iterate (List : List_Type) return Iterator; + function Iterate (List : List_Valid_Type) return Iterator; function Is_Valid (It : Iterator) return Boolean; procedure Next (It : in out Iterator); function Get_Element (It : Iterator) return El_Type; |