1 # evpf - postfix evaluator
3 evpf (**ev**aluate **p**ost**f**ix is a simple postfix expression evaluator
4 written as a learning project in rust. It supports both command line and
11 where `<expression>` is a postfix expression like `20 30 + 11 -` etc.
12 Currently only 4 operators are supported: `+`, `-`, `*` and `/`. (In command
13 line mode, `*` has to be escaped using `\*` to work properly.)
17 Interactive mode displays a prompt where expressions can be evaluated by
18 typing into the prompt (line editing and session-history supported by
23 In interactive mode, apart from entering expressions, the following commands
27 * `?` or `h` or `H` - help