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Introduce to_int and to_float conersion functions.

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Stephen Chung
2020-02-25 15:02:50 +08:00
parent 51abc4a2c1
commit 80a9abada6
2 changed files with 35 additions and 0 deletions
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13
src/engine.rs
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@@ -1064,6 +1064,19 @@ impl Engine {
// directly let ent = engine.fns.entry("[]".to_string()).or_insert_with(Vec::new);
// (*ent).push(FnType::ExternalFn2(Box::new(idx)));
// Register conversion functions
engine.register_fn("to_float", |x: i32| x as f64);
engine.register_fn("to_float", |x: u32| x as f64);
engine.register_fn("to_float", |x: i64| x as f64);
engine.register_fn("to_float", |x: u64| x as f64);
engine.register_fn("to_float", |x: f32| x as f64);
engine.register_fn("to_int", |x: i32| x as i64);
engine.register_fn("to_int", |x: u32| x as i64);
engine.register_fn("to_int", |x: u64| x as i64);
engine.register_fn("to_int", |x: f32| x as i64);
engine.register_fn("to_int", |x: f64| x as i64);
// Register print and debug
fn print_debug<T: Debug>(x: T) -> String {
format!("{:?}", x)