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Value Iteration #970
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This could be implemented in an example first. What is the motivating use-case? |
Why specifically depth-first? Why not breadth-first? What's the use case? I agree with Vinnie, this sounds like an example. |
We use JSON values as the configuration object for programs. Sometimes, it is nice to list all the hierarchical key-value pairs flatly. I agree that this could be a good
But more importantly, iteration support would make it easier to use Depth-first is the most natural choice for me. I know there are multiple options to drive the iteration but one must be the default. |
@doganulus I think you should write it as an example contribution to Boost.JSON |
Ok, so I am interested in this in a form of an example. I'm not exactly sold on this being general-purpose enough to be added to the library proper. BTW, have you thought about integration with Boost.Graph? |
I would like to start a discussion on having a class of
value_iterator
, which will be used to iterate over avalue
instance like visiting a tree in a depth-first manner.Currently, we can iterate over
array
andobject
but I think a more general iterate functionality will be helpful for many applications. Also it would be nice thatvalue
supports generic iteration like other container classes.I prefer each iteration to return a key-value pair of a JSON Pointer and value reference but I would like to ask your opinion regarding it and whether we can utilize the already implemented mechanisms/structures in the library.
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