Capitalize returns the given string with a first character in uppercase.

EnumMarshalFunc returns a marshal func to marshal an enum.

GetStructFieldsIndex will return a list of fieldIndex ([]int) sorted by their position in the Go struct.

TODO: implement the same logic as args.RegisterMarshalFunc(), where i must be a pointer RegisterMarshalerFunc bind the given type of i with the given MarshalerFunc.

EnumMarshalSpec contains specs used by EnumMarshalFunc.

MarshalOpt is hydrated by core.View.

MarshalSection describes a section to build from a given struct.

Marshaler allow custom display for some type when printed using HumanPrinter.