REF: Move `to_dict` implementation to pandas.core.methods.to_dict

[rhshadrach]

Ref: #46487 (review)

For code organization, it'd be good to get the implementation of these methods out of frame.py and to a more suitable location - pandas.core.methods.to_dict

[jbrockmendel]

i dont think the to_* heuristic works. you wouldn't want to move to_numpy to pd.io would you? Certainly not to_timestamp?

[rhshadrach]

Fair point - other than a new file inside of core, I don't see a good location for something like this. Also, is there opposition to moving the implementation of to_dict outside of frame.py in the first place?

[jbrockmendel]

I don't see a good location for something like this.

ive been thinking a core/methods/ directory might be good for files that are basically just individual refactored-out methods (e.g. describe.py)

[jreback]

+1 in @jbrockmendel idea

[kostyafarber]

Does this still need discussion, happy to have a stab at this if we want to go ahead with the refactor

[rhshadrach]

@kostyafarber - no more discussion is needed - have at it!