How to replace render_existing/3 with function_exported?/3

[Kurisu]

@msimonborg

Perhaps one approach would be to define a global view helper render_meta/2

Of course it will do it. I’m very tempted to implement something similar for some static templates I have for several locales: render_existing_locale/2. Each template is suffixed with a locale.

@msimonborg

There are some examples on using function_exported?/3 in the docs if you want to follow the compiler warning’s suggestion, but seems like it might require you to rewrite your meta templates into functions

Exactly that is the conclusion I also came to after trying that.

@AlchemistCamp

warning: Phoenix.View.render_existing/3 is deprecated. Use function_exported?/3 instead

By the way could someone, please, elaborate a bit on the story behind this deprecation ?
Knowing it would prevent some people from reproducing by other means that very mistake that the Phoenix team want to discourage.