diff --git a/src/OpenFOAM/primitives/Pair/Pair.H b/src/OpenFOAM/primitives/Pair/Pair.H index 22d2172bfa..db9589d6ac 100644 --- a/src/OpenFOAM/primitives/Pair/Pair.H +++ b/src/OpenFOAM/primitives/Pair/Pair.H @@ -50,6 +50,13 @@ See also namespace Foam { +// Forward declarations +template class Pair; + +// Common pair types +typedef Pair