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use crate::prelude::*;
use std::fmt::{Debug, Display};
pub struct Function {
pub name: Rc<str>,
pub arity: usize,
pub variadic: bool,
pub fun: InnerFunction
}
#[derive(Clone)]
pub enum InnerFunction {
Compiled(Rc<Chunk>),
Native(Rc<dyn Fn((&mut Vm, &mut StackFrame), Vec<Value>) -> Result<Value>>),
}
impl Debug for Function {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
use InnerFunction as F;
match self.fun {
F::Compiled(_) => {
write!(f, "[Function {}]", self.name)
},
F::Native(_) => {
write!(f, "[Builtin {}]", self.name)
}
}
}
}
impl Display for Function {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
use InnerFunction as F;
match self.fun {
F::Compiled(_) => {
write!(f, "[Function {}]", self.name)
},
F::Native(_) => {
write!(f, "[Builtin {}]", self.name)
}
}
}
}
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