struct RawSyntax { /// Pointer to the actual data which resides in a SyntaxArena. var pointer: UnsafePointer<RawSyntaxData> init(pointer: UnsafePointer<RawSyntaxData>) { self.pointer = pointer } なるほどstruct RawSyntax { /// Pointer to the actual data which resides in a SyntaxArena. var pointer: UnsafePointer<RawSyntaxData> init(pointer: UnsafePointer<RawSyntaxData>) { self.pointer = pointer } なるほど