39 lines
1.2 KiB
Rust
39 lines
1.2 KiB
Rust
use std::env;
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use std::fs::File;
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use std::io::prelude::*;
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use std::fmt::Display;
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extern crate rhai;
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use rhai::{Engine, FnRegister};
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fn showit<T: Display>(x: &mut T) -> () {
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println!("{}", x)
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}
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fn main() {
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for fname in env::args().skip(1) {
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let mut engine = Engine::new();
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engine.register_fn("print", showit as fn(x: &mut i32)->());
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engine.register_fn("print", showit as fn(x: &mut i64)->());
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engine.register_fn("print", showit as fn(x: &mut u32)->());
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engine.register_fn("print", showit as fn(x: &mut u64)->());
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engine.register_fn("print", showit as fn(x: &mut f32)->());
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engine.register_fn("print", showit as fn(x: &mut f64)->());
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engine.register_fn("print", showit as fn(x: &mut bool)->());
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engine.register_fn("print", showit as fn(x: &mut String)->());
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if let Ok(mut f) = File::open(fname.clone()) {
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let mut contents = String::new();
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if let Ok(_) = f.read_to_string(&mut contents) {
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match engine.eval::<()>(&contents) {
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Ok(_) => (),
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Err(e) => {println!("Error: {:?}", e)}
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}
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}
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}
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}
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}
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