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use crate::{
    objects::{Cycle, Face},
    storage::Handle,
};

/// Update a [`Face`]
pub trait UpdateFace {
    /// Update the exterior of the face
    fn update_exterior(
        &self,
        f: impl FnOnce(&Handle<Cycle>) -> Handle<Cycle>,
    ) -> Face;
}

impl UpdateFace for Face {
    fn update_exterior(
        &self,
        f: impl FnOnce(&Handle<Cycle>) -> Handle<Cycle>,
    ) -> Face {
        let exterior = f(self.exterior());

        Face::new(
            self.surface().clone(),
            exterior,
            self.interiors().cloned(),
            self.color(),
        )
    }
}