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use crate::View;

/// Provides a float value to other views
#[derive(Default, Debug, Clone)]
pub struct Constant {
    val: f64,
}

impl Constant {
    /// Create a new instance with the given value
    #[inline(always)]
    pub fn new(val: f64) -> Self {
        Self { val }
    }
}

impl View for Constant {
    #[inline(always)]
    fn update(&mut self, _val: f64) {}

    #[inline(always)]
    fn last(&self) -> f64 {
        self.val
    }
}