govaluate
gval
| govaluate | gval | |
|---|---|---|
| 2 | 2 | |
| 3,542 | 698 | |
| - | 0.4% | |
| 0.0 | 0.6 | |
| 22 days ago | 4 months ago | |
| Go | Go | |
| MIT License | BSD 3-clause "New" or "Revised" License |
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govaluate
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Beginner here, I'm wondering how ok it is to omit err return values as I am trying to approach things from test-driven perspective
For example, I am playing around with govaluate, basically so far just translating their examples into a govaluate_playing/examples package, and trying to use examples_test package to drive the examples, (and expanding on them and later making my own etc).
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Casbin: An authorization library that supports access control models like ACL, RBAC, ABAC in Python
For more operators, you may take a look at govaluate
gval
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Interpreters built in Go
For practical start, see this: https://www.youtube.com/watch?v=JiViND-bpmw It explain one particular type of parser type that is quite easy to grasp and fun to write. Also look on some libraries that deliver "expression executors" - these are in fact small interpreted languages and can give you plenty of examples. Classic one (though currently unmaintaines I think) is: https://github.com/PaesslerAG/gval but there are plenty more, just google for them. On my last words, this is very enjoyable part of programming but it requires much learning so be patient and have fun!
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My first open-source project looking for feedback
There is a nice lib that let you write much more compact expressions https://github.com/PaesslerAG/gval I'm using this lib for evaluating expressions in a small BPMN engine. At least your solution is missing a context, functions and data to work on. But trying stuff out is propably the best way to learm Go!
What are some alternatives?
expr - Expression language and expression evaluation for Go [Moved to: https://github.com/expr-lang/expr]
expr - Expression language and expression evaluation for Go
goja - ECMAScript/JavaScript engine in pure Go
gengine - A 3D game engine capable of parsing and running data files from the classic Sierra Studio's adventure game Gabriel Knight 3
cel-go - Fast, portable, non-Turing complete expression evaluation with gradual typing (Go)
casbin - An authorization library that supports access control models like ACL, RBAC, ABAC in Golang: https://discord.gg/S5UjpzGZjN
agora
is - Professional lightweight testing mini-framework for Go.
Gentee script programming language - Gentee - script programming language for automation. It uses VM and compiler written in Go (Golang).
gengine
prolog - The only reasonable scripting engine for Go.