elliptic-curve: have LinearCombinationExt allow ?Sized (#1406)

tarcieri · web-flow · commit 723a1a309c4d · 2023-11-15T09:42:41.000-07:00
...as the `PointsAndScalars` generic parameter, so we can accept slices
diff --git a/elliptic-curve/src/ops.rs b/elliptic-curve/src/ops.rs
@@ -167,7 +167,7 @@ pub trait LinearCombination: Group {
 // TODO(tarcieri): replace the current `LinearCombination` with this in the next release
 pub trait LinearCombinationExt<PointsAndScalars>: group::Curve
 where
-    PointsAndScalars: AsRef<[(Self, Self::Scalar)]>,
+    PointsAndScalars: AsRef<[(Self, Self::Scalar)]> + ?Sized,
 {
     /// Calculates `x1 * k1 + ... + xn * kn`.
     fn lincomb_ext(points_and_scalars: &PointsAndScalars) -> Self {

Original file line number	Diff line number	Diff line change
`@@ -167,7 +167,7 @@ pub trait LinearCombination: Group {`
`167`	`167`	// TODO(tarcieri): replace the current `LinearCombination` with this in the next release
`168`	`168`	`pub trait LinearCombinationExt<PointsAndScalars>: group::Curve`
`169`	`169`	`where`
`170`		`- PointsAndScalars: AsRef<[(Self, Self::Scalar)]>,`
	`170`	`+ PointsAndScalars: AsRef<[(Self, Self::Scalar)]> + ?Sized,`
`171`	`171`	`{`
`172`	`172`	/// Calculates `x1 * k1 + ... + xn * kn`.
`173`	`173`	`fn lincomb_ext(points_and_scalars: &PointsAndScalars) -> Self {`