diff options
Diffstat (limited to 'libbuild2/action.hxx')
| -rw-r--r-- | libbuild2/action.hxx | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/libbuild2/action.hxx b/libbuild2/action.hxx index 9fa2a16..01c5307 100644 --- a/libbuild2/action.hxx +++ b/libbuild2/action.hxx @@ -116,10 +116,18 @@ namespace build2 template <typename T> struct action_state { - T data[2]; // [0] -- inner, [1] -- outer. + T inner; + T outer; - T& operator[] (action a) {return data[a.inner () ? 0 : 1];} - const T& operator[] (action a) const {return data[a.inner () ? 0 : 1];} + T& operator[] (action a) {return a.inner () ? inner : outer;} + const T& operator[] (action a) const {return a.inner () ? inner : outer;} + + action_state () = default; + + template <typename... A> + explicit + action_state (A&&... a) + : inner (forward<A> (a)...), outer (forward<A> (a)...) {} }; // Id constants for build-in and pre-defined meta/operations. |