github.com/muktihari/expr (go): Put "(1 + 1) * 10 * 2" it will result 40. Put "-2 * 2 < -1 * 2" it will result true. Expr parses a string expression into valuable object in a lightweight way.
Keywords: abstract-syntax-tree|ast|eval|expr|go|go-eval|go-expr|go-parser|golang|golang-library|lightweight-expr-parser|parser