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LibGUI: Add fallible try_push() variant to UndoStack

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thankyouverycool 2022-07-04 21:36:30 -04:00 • committed by Andreas Kling
parent ae333fad98
commit 510551bb4f
2 changed files with 11 additions and 3 deletions
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Userland/Libraries/LibGUI/UndoStack.h
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@ -20,6 +20,7 @@ public:
~UndoStack() = default;
void push(NonnullOwnPtr<Command>);
ErrorOr<void> try_push(NonnullOwnPtr<Command>);
bool can_undo() const;
bool can_redo() const;