Initial commit

src/tuple.rs

@@ -0,0 +1,26 @@
+use std::ops::{Add, Mul};
+use num_traits::Inv;
+
+#[derive(Clone, Debug, Eq, Hash, PartialEq)]
+pub struct Tuple<A, B>(pub A, pub B);
+
+impl<A, B> Add for Tuple<A, B> where A: Add<A, Output=A>, B: Add<B, Output=B> {
+	type Output = Self;
+	fn add(self, rhs: Self) -> Self {
+		Self(self.0+rhs.0, self.1+rhs.1)
+	}
+}
+
+impl<A, B> Mul for Tuple<A, B> where A: Mul<A, Output=A>, B: Mul<B, Output=B> {
+	type Output = Self;
+	fn mul(self, rhs: Self) -> Self {
+		Self(self.0*rhs.0, self.1*rhs.1)
+	}
+}
+
+impl<A,B> Inv for Tuple<A, B> where A: Inv<Output=A>, B: Inv<Output=B> {
+	type Output = Self;
+	fn inv(self) -> Self {
+		Self(self.0.inv(), self.1.inv())
+	}
+}