gval VS expr

Compare gval vs expr and see what are their differences.

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gval expr
2 5
501 2,679
4.6% -
4.1 4.2
about 1 month ago about 1 month ago
Go Go
BSD 3-clause "New" or "Revised" License MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

gval

Posts with mentions or reviews of gval. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-06-09.
  • Interpreters built in Go
    9 projects | reddit.com/r/golang | 9 Jun 2022
    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!
  • My first open-source project looking for feedback
    2 projects | reddit.com/r/golang | 26 May 2022
    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!

expr

Posts with mentions or reviews of expr. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-04-20.

What are some alternatives?

When comparing gval and expr you can also consider the following projects:

govaluate - Arbitrary expression evaluation for golang

cel-go - Fast, portable, non-Turing complete expression evaluation with gradual typing (Go)

tengo - A fast script language for Go

mosalat - a rule-engine with custom dsl for golang

go-lua - A Lua VM in Go

goja - ECMAScript/JavaScript engine in pure Go

otto - A JavaScript interpreter in Go (golang)

The uGO Language - Script Language for Go

agora

gopher-lua - GopherLua: VM and compiler for Lua in Go