Elixir match failure messages are much nicer than those in ...

Elixir match failure messages are much nicer than those in TypeScript/Swift/OCaml · pattern matching (not the case in TypeScript) · match ...

Pattern matching in function declarations when not needed for ...

Afaik the rule in elixir-core is to only match on things that are needed to select ... far are cryptic error messages on a failed match: ** ...

"Good and Bad Elixir" - do you agree on error handling? - Reddit

... nicer error, to rendering a more helpful error message to the user. ... nicer to isolate these sorts of errors in their own process anyway.

Elixir: Test failure messages - Stack Overflow

For the particular case of testing against String.contains? , you could consider the regex match operator =~ , as it will report a better ...

How to think about pattern matching vs. type-checking - Elixir Forum

I quite agree with the opinion that writing %Plug.Conn{} = c feels much better in a pattern match, it is how you would write the match in code.

Using Elixir's Pattern Matching And Case Statement To Handle Errors

I'm trying to learn Elixir and I'm having so much fun doing it ... That said, let's see how we can handle this better. And please, if ...

Am I missing something in regards to Errors? : r/elixir - Reddit

these you pair with either direct pattern matching (so things go kaboom on error) or you handle errors with with . functions that spit out the a ...

My Experience Learning Pattern Matching in Elixir - Made in Tandem

... Elixir will assign the actual value to those labels like a regular ... more helpful error message (than a failed pattern match) on failure.

Pattern matching error when the same variable is used twice #9978

Expected behavior. I think that will be better to recognise this and stop during compilation time. Not in execution time when it is called. iex ...

Perfect Match: Pattern Matching in Elixir | by Kate Travers - Medium

You can use it alone or as a named variable, like _ignore , which is a little more meaningful to folks reading your code. iex(1)> {_, message} = ...

{:ok, ...} return tuples ?

read could fail 3 or 4 or more ways it's probably nicer to explicitly handle those in separate pattern matches. Also, when I see a {ok: val} ...

Pattern Matching in Elixir - Flatiron School

... to match against more complex patterns without adding too much clutter to ... better life through education – is more vital than ever.".

Catch-all pattern-match without '^' should show compiler warning or ...

A frequent goof that folks coming to Elixir from Erlang make (and will continue to make) is forgetting the ^ on pattern matches.

Be Careful Using With in Tests - Pete Corey

If we add assertions to our pattern matching assignments, we set ourselves up to receive better error messages: test "foo still equals bar ...

In this situation, instead of concentrating all error handling within a single complex else block, it is better to normalize the return types in specific ...

Conditional code - Joy of Elixir

This pattern matching is why the last clause would match any other error that may be returned from File.read/1 . This is a better approach, because it is ...

Creating Custom Exceptions in Elixir - AppSignal Blog

Here, an argument to the function is an exception itself, so you can construct a more precise error message from it. For example: elixir. def ...

8 months of OCaml after 8 years of Haskell in production - Lobste.rs

... that that match is supposed to be non-exhaustive. If you wrote ... If we add a type ascription to x , GHC gives a much nicer error message

What's New In Python 3.10 — Python 3.13.0 documentation

Better error messages¶. SyntaxErrors¶. When parsing code that contains ... Instead the “declarative” approach states the conditions to meet for a match and is ...

Common Anti-Patterns in Elixir Projects and How to Avoid Them

... these anti-patterns will help you write better, more robust code and ensure high code quality. Mass assignment vulnerability through the ...