src/function.rs


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pub struct FunctionArgument {
    args : Vec<f64>,
}

impl FunctionArgument {
    pub fn new(args: Vec<f64>) -> Self {
        Self { args }
    }

    pub fn get(&self, i : usize) -> f64 {
        self.args[i]
    }
}

pub trait Function {
    fn eval(&self, args: FunctionArgument) -> f64;
}