diff options
| author | Boris Kolpackov <boris@codesynthesis.com> | 2018-08-09 09:36:23 +0200 |
|---|---|---|
| committer | Boris Kolpackov <boris@codesynthesis.com> | 2018-08-09 09:36:23 +0200 |
| commit | 67b36b32e19e17db9b1e5c72deb8db7202a0f41b (patch) | |
| tree | 6c8141f43232569ff930c401b40f74f130743696 /build2/variable.hxx | |
| parent | 4ce9366b563ceb4939403dbf498b6a5126661ee0 (diff) | |
Add support for returning optional<T> from (buildfile) function implementations
Diffstat (limited to 'build2/variable.hxx')
| -rw-r--r-- | build2/variable.hxx | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/build2/variable.hxx b/build2/variable.hxx index 401cc77..7a0e531 100644 --- a/build2/variable.hxx +++ b/build2/variable.hxx @@ -250,10 +250,17 @@ namespace build2 explicit value (names); // Create untyped value. + explicit + value (optional<names>); + template <typename T> explicit value (T); // Create value of value_traits<T>::value_type type. + template <typename T> + explicit + value (optional<T>); + // Note: preserves type. // value& |