Comments (2)
You could define polymorphic tree like this:
struct Data
{}
struct Node;
struct Node
{
0: nullable<Node> left;
1: nullable<Node> right;
2: bonded<Base> data;
}
You will need to serialize each node data to initialize the data
field, like in the polymorphic_container
example. You can also use generic Node<T>
, either defining the data
field as 2: bonded<T> data;
or as 2: T data;
. In the latter case you would use Node<bonded<Data>>
instance.
from bond.
Thank you, that got me unstuck. Ironically, that is much closer to the structure I am experimenting with(GumboParser) as opposed to the inheritance based model I was trying initially (conventional OO bias probably).
I have also tried the approach briefly mentioned in the 'Why Bond' article to emulate union
with nullable<>
and that works too. I still need to dig further to figure out the trade-offs in each approach.
Also, I am curious to understand when a mapping between a C and Bond model such as this one mandates the use of bonded<>
and an interim serialization, versus when it can be made blittable, possibly using transforms, but no intermediate copy.
from bond.
Related Issues (20)
- [ci] Image cleanup script needs to handle 18.04 images
- [ci] CI image Dockerfile needs to be paramatarized on FROM registry
- This repo is missing important files
- c#: Add ToString() implementations for compiled bond objects HOT 1
- Merge API support for C#? HOT 2
- Bond generated headers don't work for clang in c++20 HOT 2
- Include enums in Bond runtime schema HOT 1
- cmake/Config.cmake looks for the EOLed Python-2.7 HOT 1
- Deserialization/serialization under Linux is 7x-10x slower than Windows HOT 2
- [C#] gbc.exe: Exec format error inside mcr.microsoft.com/dotnet/sdk:latest docker image. HOT 3
- "openFile: does not exist (No such file or directory)" on Linux HOT 2
- [C#] Deserializing bond-like strings into dynamic type HOT 2
- Linux build error - ghc: panic! HOT 4
- Support dotnet trimming HOT 5
- Target `netstandard2.0` for c# HOT 1
- C++: GCC: Double/Float comparison warning HOT 2
- Is this project still being maintained? HOT 2
- emit #nullable enable pragma in generated C# code
- bond on aarch64 is failing with unsupported LLVM
- [msvc][cpplatest] bond failed to build with msvc option /std:c++latest due to error C2027 and error C2061
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