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Add custom Debug impl for Coord<Space> #1320

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Add custom Debug impl for Coord<Space> #1320

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11 changes: 10 additions & 1 deletion fontdrasil/src/coords.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -56,14 +56,23 @@ pub struct UserSpace;
pub struct NormalizedSpace;

/// A coordinate in some coordinate space.
#[derive(Serialize, Deserialize, Default, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[derive(Serialize, Deserialize, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct Coord<Space> {
coord: OrderedFloat<f64>,
// we want to be covariant but also Send + Sync. See
// <https://doc.rust-lang.org/1.74.0/nomicon/phantom-data.html#table-of-phantomdata-patterns>
space: PhantomData<fn() -> Space>,
}

impl<Space: Debug + Default> Debug for Coord<Space> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("Coord")
.field("coord", &self.coord)
.field("space", &Space::default())
.finish()
}
}

/// A coordinate in design space.
pub type DesignCoord = Coord<DesignSpace>;
/// A coordinate in user space
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