Using Go (golang) I\'d like to take a string with a formula and evaluate it with pre-defined values. Here\'s a way to do it with python\'s parser module:
parser
Googling around I found this: https://github.com/sbinet/go-eval
It appears to be an eval loop for Go.
go get github.com/sbinet/go-eval/cmd/go-eval go install github.com/sbinet/go-eval/cmd/go-eval go-eval