Vendor things

third-party/vendor/tinyvec/gen-array-impls.sh

@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+
+gen_impl() {
+	local len=$1
+	cat <<-END
+		impl<T: Default> Array for [T; $len] {
+		  type Item = T;
+		  const CAPACITY: usize = $len;
+
+		  #[inline(always)]
+		  #[must_use]
+		  fn as_slice(&self) -> &[T] {
+		    &*self
+		  }
+
+		  #[inline(always)]
+		  #[must_use]
+		  fn as_slice_mut(&mut self) -> &mut [T] {
+		    &mut *self
+		  }
+
+		  #[inline(always)]
+		  fn default() -> Self {
+		    [
+		$(for ((i = 0; i < $len; i += 6))
+		do
+			echo -n '     '
+			for ((j = 0; j < 6 && j + i < $len; j++))
+			do
+				echo -n ' T::default(),'
+			done
+			echo
+		done)
+		    ]
+		  }
+		}
+
+		END
+}
+
+cat <<-END
+	// Generated file, to regenerate run
+	//     ./gen-array-impls.sh > src/array/generated_impl.rs
+	// from the repo root
+
+	use super::Array;
+
+	$(for ((i = 0; i <= 33; i++)); do gen_impl $i; done)
+
+	$(for ((i = 64; i <= 4096; i *= 2)); do gen_impl $i; done)
+END
+
+# vim: noet