diff options
Diffstat (limited to 'build2/variable.hxx')
| -rw-r--r-- | build2/variable.hxx | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/build2/variable.hxx b/build2/variable.hxx index f0218fe..decc300 100644 --- a/build2/variable.hxx +++ b/build2/variable.hxx @@ -336,13 +336,18 @@ namespace build2 const value_type* operator-> () const {return value;} // Return true if this value belongs to the specified scope or target. - // Note that it can also be a target type/pattern-specific value (in - // which case it won't belong to either). + // Note that it can also be a target type/pattern-specific value in which + // case it won't belong to either unless we pass true as a second argument + // to consider it belonging to a scope (note that this test is expensive). // template <typename T> bool belongs (const T& x) const {return vars == &x.vars;} + template <typename T> + bool + belongs (const T& x, bool target_type_pattern) const; + lookup (): value (nullptr), vars (nullptr) {} template <typename T> |