For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:iDesmI/openSUSE_Tumbleweed/home:iDesmI.repo
zypper refresh
zypper install ananicy-cpp
For openSUSE Factory ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:iDesmI/openSUSE_Factory_ARM/home:iDesmI.repo
zypper refresh
zypper install ananicy-cpp
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:iDesmI/16.0/home:iDesmI.repo
zypper refresh
zypper install ananicy-cpp