Norm
shape
| Norm | shape | |
|---|---|---|
| 4 | - | |
| 680 | 6 | |
| 0.0% | - | |
| 0.0 | 0.0 | |
| about 1 year ago | almost 9 years ago | |
| Elixir | Elixir | |
| MIT License | Apache License 2.0 |
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Norm
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Pattern matching and guards as a form of natural type specification?
Forget the typespecs. Have a boundary layer where you check the shape of things and their types as they enter your system and possibly convert them to some type you need inside your system. Norm is great for this.
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Question on how to idiomatically apply "defensive programming" concepts from Pragmatic Programmer book
HexDocs for norm. — I am not a robot but maybe there should be a Hex package manager auto link bot. 🤖
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Erlang/OTP 24 Highlights
I generally verify types only at the boundaries of my application (or very critical modules) using norm[1].
Either you have a strict type system that does not have an "any" type (yes, I'm looking at you Typescript), or you have a flexible type system like Python/Erlang/Elixir and you do runtime type checking whenever it's needed.
I'm writing more Typescript code than I would in Javascript for almost no type safety benefits (but for documentation, it's awesome).
[1] - https://github.com/keathley/norm
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Clojure Spec like library in Elixir for data generation
Check out Norm. Sounds like it's right up your alley
shape
We haven't tracked posts mentioning shape yet.
Tracking mentions began in Dec 2020.
What are some alternatives?
vex - Data Validation for Elixir
ExGtin - Elixir GTIN & UPC Generation and Validation Library
valdi - Simple data validation for elixir
voorhees
is - Fast, extensible and easy to use data structure validation for elixir with nested structures support.
avex
optimal - A schema based keyword list option validator.
uk_postcode - UK postcode parsing and validation for Elixir
bankster - An IBAN account numbers and BIC validation tool for Elixir.