Package implements (as it says):
"Structured access to bytevector contents."
Bug: https://bugs.gentoo.org/644866
Package-Manager: Portage-2.3.19, Repoman-2.3.6
--- /dev/null
+DIST bytestructures-1.0.1.tar.gz 98322 BLAKE2B cede9e127582e1f114bf9f0d9f4bdcacc6bd10c3d5b0a3d2ec70e0a03e0064f0765043adf89b2ae03012248f473a9668eca4e4ac852685082284517df4c629aa SHA512 93414f1c99c6463313aaa401c30b38e917f937644413c38ae7e6cdcc77fb380bf2df1eefe9720f01f35a386a0d428f87a51b028a77551e70c8076a8b2bb290d1
--- /dev/null
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+DESCRIPTION="Structured access to bytevector contents"
+HOMEPAGE="https://github.com/TaylanUB/scheme-bytestructures/"
+SRC_URI="https://github.com/TaylanUB/scheme-bytestructures/releases/download/v${PV}/bytestructures-${PV}.tar.gz"
+
+LICENSE="LGPL-3+"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE=""
+
+RDEPEND=">=dev-scheme/guile-2.0.0:="
+DEPEND="${RDEPEND}"
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+<maintainer type="project">
+ <email>slyfox@gentoo.org</email>
+</maintainer>
+</pkgmetadata>