Add public class members with the parameter names in each SGObject class

[gf712]

Currently we register parameter names using SG_ADD(&class_member, "name", "parameter description"). The problem is that changing the registered name (in this case "name") results in issues everytime we refactor the parameter names. To address this issue the class should register a static constexpr std::string_view kParam = "name" that should be used to register the class name.
If we ever need to use get/put we should use these constexpr string_views, to avoid any typos.

Example:

Parameter name is define here:

shogun/src/shogun/machine/RandomForest.h

Lines 171 to 172 in e29377d

	public:
	static constexpr std::string_view kWeights = "weights";

And is used in parameter registration here:

shogun/src/shogun/machine/RandomForest.cpp

Line 207 in e29377d

SG_ADD(&m_weights, kWeights, "weights");

[justdvnsh]

Hi @gf712 . I am new to Shogun. I'd like to start contributing to shogun with this issue. Can I be assigned this issue ?

[gf712]

hi @justdvnsh, go for it!

[devchilll]

Hello! Is this issue still open? If so I would like to work on this issue.
I looked at the latest codebase, and it seems that some of the SG_ADD methods were still using strings rather than static variables.

[devchilll]

^following my previous comment

If so, could you tell me what places/models need to have a static variable defined as in the example? Thanks!

[jaskiratsingh2000]

@gf712 I am just a beginner in the coding world but holds a good knowledge of C++ which is required here and am super interested to work on this issue. can this issue be assigned to me? That would really be great.

[jaskiratsingh2000]

@gf712 Please please assign me on this. That would really be helpful. Thanks!

[Ishvina]

Hi! I am in an intro to swe class that is requiring me to work on my first open-source project. I was wondering if this issue is still open and if so could I get help with my first contribution?