I am struggling with something embarrassingly basic. I just can’t get my head wrapped around Enum.map. I’m pretty sure it’s the best solution for my problem, but can’t format it correctly. From my form, I have a list of ID numbers for a many-to-many table. So my params look like this: %{ “title…

formatted_list_map = Enum.map(type_list, fn x-> {:id, String.to_integer(x)} end) You are only wrong by an operator

[image] annad: fn x-> {:id => String.to_integer(x)} end I think the problem is that this function’s result is not what you’re looking for / is invalid syntax. The => operator is used in a map like %{"key" => "value"} (notice the % in front of the {..}!). You’re just trying to create a tuple …

Oh my gosh. I can’t believe I was that close. Thank you to both of you! Do either of you know if I need to convert the string-formatted strings to integers for put_assoc?

At least I don’t, sorry… But I see you opened up a new thread for that anyways, so I hope somebody can help you out there!

Elixir Programming Language Forum

Enum.map to convert string of numbers to keyword list or map for put_assoc

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eksperimental April 2, 2021, 12:52pm 6

Integer.parse/1