Dict representation as a copy/pastable code

[scls19fr]

Hello,

it will be nice if Dict representation could be improved to be copy/pastable code.

For example representation of a Dict in REPL Julia is

julia> params
Dict{String,String} with 3 entries:
  "token"   => "NzXXXXXXXXXXXXXXWnp"
  "message" => "My first message"
  "user"    => "RAXXXXXXXXXXXStjN"

maybe this kind of representation

julia> params
Dict{String,String}(
  "token"   => "NzXXXXXXXXXXXXXXWnp",
  "message" => "My first message",
  "user"    => "RAXXXXXXXXXXXStjN",
)
3 entries

could be much more useful as it's easily copy/pastable.

This is maybe generalisable to any type implementing AbstractDict.

Kind regards

[KristofferC]

Isn't this what repr is for?

[scls19fr]

julia> println(repr(params))
Dict("token"=>"NzXXXXXXXXXXXXXXWnp","message"=>"My first message","user"=>"RAXXXXXXXXXXXStjN")

this is not default representation for REPL
it doesn't show type of key / type of value
Return to the line and indentation helps for reading

[JeffBezanson]

this is not default representation for REPL

It would be difficult to convince everybody to change the default printing in the REPL --- it probably won't happen. The default REPL format has certain conveniences, like showing fewer digits and truncating arrays, that people will not want to give up and yet aren't appropriate for a parse-able representation.

it doesn't show type of key / type of value

It doesn't in this case because it's fully implied by the contents. In other cases it will, e.g.

julia> repr(Dict{Any,Any}(1=>2))
"Dict{Any,Any}(1=>2)"

If there are cases that don't work they can be fixed.

Return to the line and indentation helps for reading

It would probably be ok to add that to the show/repr format.