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Explain that upcast_goal is still a static cast

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John Ericson 2020-10-17 21:50:12 +00:00
parent 57d0432b39
commit 7ed46c1574
1 changed files with 5 additions and 1 deletions
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6
src/libstore/build/worker.hh
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@ -15,7 +15,11 @@ class SubstitutionGoal;
class SubstitutionGoal : public Goal; class SubstitutionGoal : public Goal;
even when Goal is a complete type; */ even when Goal is a complete type.
This is still a static cast. The purpose of exporting it is to define it in
a place where `SubstitutionGoal` is concrete, and use it in a place where it
is opaque. */
GoalPtr upcast_goal(std::shared_ptr<SubstitutionGoal> subGoal); GoalPtr upcast_goal(std::shared_ptr<SubstitutionGoal> subGoal);
typedef std::chrono::time_point<std::chrono::steady_clock> steady_time_point; typedef std::chrono::time_point<std::chrono::steady_clock> steady_time_point;