IdiosApps

IdiosApps

Programming Phoenix LiveView: P69 - module Pento.Catalog.Product is not available

In my terminal, I am trying this with the source code from the .zip (the repo where I was going from scratch also wasn’t working - similar error).
I suspect it’s a user error, but the files are there is reasonable stuff like defmodule Pento.Catalog.Product do. Maybe my Elixir install is bad?

C:\Users\me\pento_examples\generators\pento>iex
Interactive Elixir (1.14.1) - press Ctrl+C to exit (type h() ENTER for help)
iex(1)> ls
.formatter.exs     .gitignore         assets             config             lib
mix.exs            mix.lock           priv               test
iex(2)> alias Pento.Catalog.Product
Pento.Catalog.Product
iex(3)> exports Product
** (UndefinedFunctionError) function Pento.Catalog.Product.module_info/1 is undefined (module Pento.Catalog.Product is not available)
    Pento.Catalog.Product.module_info(:exports)
    (iex 1.14.1) lib/iex/autocomplete.ex:138: IEx.Autocomplete.exports/1
    (iex 1.14.1) lib/iex/helpers.ex:736: IEx.Helpers.exports/1
    iex:3: (file)
iex(3)> 

I tried Catalog too, and that got the same kind of error.

Even on page 45 I hit an issue:

iex(1)> alias Pento.Accounts
Pento.Accounts
iex(2)> export Accounts
** (CompileError) iex:2: undefined function export/1 (there is no such import)

I had a Google but couldn’t see an answer that looked like it’d work for me.
Any help would be really appreciated, so I can continue making progress with the book!

Most Liked

SophieDeBenedetto

SophieDeBenedetto

Author of Programming Phoenix LiveView

Hi there! You need to run an IEx session that loads up the application. So not iex but iex -S mix

Where Next?

Popular Pragmatic Bookshelf topics Top

belgoros
Following the steps described in Chapter 6 of the book, I’m stuck with running the migration as described on page 84: bundle exec sequel...
New
telemachus
Python Testing With Pytest - Chapter 2, warnings for “unregistered custom marks” While running the smoke tests in Chapter 2, I get these...
New
Alexandr
Hi everyone! There is an error on the page 71 in the book “Programming machine learning from coding to depp learning” P. Perrotta. You c...
New
herminiotorres
Hi @Margaret , On page VII the book tells us the example and snippets will be all using Elixir version 1.11 But on page 3 almost the en...
New
jeremyhuiskamp
Title: Web Development with Clojure, Third Edition, vB17.0 (p9) The create table guestbook syntax suggested doesn’t seem to be accepted ...
New
AndyDavis3416
@noelrappin Running the webpack dev server, I receive the following warning: ERROR in tsconfig.json TS18003: No inputs were found in c...
New
mert
AWDWR 7, page 152, page 153: Hello everyone, I’m a little bit lost on the hotwire part. I didn’t fully understand it. On page 152 @rub...
New
gorkaio
root_layout: {PentoWeb.LayoutView, :root}, This results in the following following error: no “root” html template defined for PentoWeb...
New
mcpierce
@mfazio23 I’ve applied the changes from Chapter 5 of the book and everything builds correctly and runs. But, when I try to start a game,...
New
dachristenson
I just bought this book to learn about Android development, and I’m already running into a major issue in Ch. 1, p. 20: “Update activity...
New

Other popular topics Top

DevotionGeo
I know that these benchmarks might not be the exact picture of real-world scenario, but still I expect a Rust web framework performing a ...
New
AstonJ
This looks like a stunning keycap set :orange_heart: A LEGENDARY KEYBOARD LIVES ON When you bought an Apple Macintosh computer in the e...
New
New
Help
I am trying to crate a game for the Nintendo switch, I wanted to use Java as I am comfortable with that programming language. Can you use...
New
AstonJ
If you want a quick and easy way to block any website on your Mac using Little Snitch simply… File > New Rule: And select Deny, O...
New
First poster: bot
zig/http.zig at 7cf2cbb33ef34c1d211135f56d30fe23b6cacd42 · ziglang/zig. General-purpose programming language and toolchain for maintaini...
New
AstonJ
If you’re getting errors like this: psql: error: connection to server on socket “/tmp/.s.PGSQL.5432” failed: No such file or directory ...
New
AstonJ
This is a very quick guide, you just need to: Download LM Studio: https://lmstudio.ai/ Click on search Type DeepSeek, then select the o...
New
PragmaticBookshelf
A concise guide to MySQL 9 database administration, covering fundamental concepts, techniques, and best practices. Neil Smyth MySQL...
New
PragmaticBookshelf
Use advanced functional programming principles, practical Domain-Driven Design techniques, and production-ready Elixir code to build scal...
New

Sub Categories: