{"id":51072,"library":"antonmedv-expr","title":"Expr Expression Engine","description":"A Go expression language for evaluating expressions with a simple syntax.","status":"active","version":"1.16.0","language":"go","source_language":null,"source_url":"https://github.com/antonmedv/expr","tags":["expression","evaluation","language"],"install":[{"cmd":"go get github.com/antonmedv/expr","lang":"bash","label":"Install github.com/antonmedv/expr"}],"dependencies":[],"imports":[{"symbol":"expr","correct":"github.com/antonmedv/expr"}],"quickstart":{"code":"package main\n\nimport (\n\t\"fmt\"\n\t\"github.com/antonmedv/expr\"\n)\n\nfunc main() {\n\tprogram, _ := expr.Compile(\"2 + 2\", expr.Env(nil))\n\toutput, _ := expr.Run(program, nil)\n\tfmt.Println(output)\n}","lang":"go","description":"Compiles and runs a simple arithmetic expression."},"warnings":[],"env_vars":null,"search_vec":"'engin':3 'evalu':9,16 'expr':1 'express':2,6,10,15 'go':5 'languag':7,17 'simpl':13 'syntax':14","created_at":"2026-06-15T05:58:58.272986+00:00","updated_at":"2026-06-15T05:58:58.272986+00:00","problems":[],"ecosystem":"go","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":"https://github.com/antonmedv/expr","github":"https://github.com/antonmedv/expr","docs":"https://pkg.go.dev/github.com/antonmedv/expr#section-documentation","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["utility"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-15","next_check":"2026-12-12","install_tag":null}}