added unit type as ()
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@@ -499,6 +499,7 @@ impl Engine {
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),
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Expr::True => Ok(Box::new(true)),
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Expr::False => Ok(Box::new(false)),
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Expr::Unit => Ok(Box::new(())),
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}
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}
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@@ -796,6 +797,7 @@ impl Engine {
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fn pow_i64_i64(x: i64, y: i64) -> i64 { x.pow(y as u32) }
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fn pow_f64_f64(x: f64, y: f64) -> f64 { x.powf(y) }
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fn pow_f64_i64(x: f64, y: i64) -> f64 { x.powi(y as i32) }
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fn unit_eq(a: (), b: ()) -> bool { true }
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reg_op!(engine, "+", add, i32, i64, u32, u64, f32, f64);
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reg_op!(engine, "-", sub, i32, i64, u32, u64, f32, f64);
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@@ -827,6 +829,7 @@ impl Engine {
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reg_un!(engine, "!", not, bool);
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engine.register_fn("+", concat);
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engine.register_fn("==", unit_eq);
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// engine.register_fn("[]", idx);
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// FIXME? Registering array lookups are a special case because we want to return boxes
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