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Beschreibung
Erlyberly could show the names of function arguments above the values for function arguments in the term tree. Below is a screenshot of annotated records, it might look similar to this.
Module AST is already parsed for record metadata. Finding function argument names would be an expansion of that.
For example, given the function in lists.
-spec sublist(List1, Start, Len) -> List2 when
List1 :: [T],
List2 :: [T],
Start :: pos_integer(),
Len :: non_neg_integer(),
T :: term().
sublist(List, S, L) when is_integer(L), L >= 0 ->
The function may return something like.
{lists, [{sublist,["List","S","L"],...}]}
The dialyzer spec can be used but it may not exist. Functions can have multiple clauses. A binding name should be accepted over _ or a literal e.g. Index is more useful than 0 both of which may be present in different function clauses. There are many variations in function clauses, the AST parser should attempt to return something useful but could return a blank if the argument was too complex or long.
If anyone wants to attempt this, post a comment. I can help with the UI for anyone that doesn't want to code java! :D