Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
ghc-yaml
ghc-yaml(x86-64)
libHSyaml-0.8.23.3-3307TChp8kY3bbdQGqsKHU-ghc8.0.2.so()(64bit)

Requires :

libHSresourcet-1.1.9-4kJNagEzSAo2Kfakyf6y5E-ghc8.0.2.so()(64bit)
libc.so.6()(64bit)
libHSaeson-1.0.2.1-DHWdMBRulcP78wDckzP3tp-ghc8.0.2.so()(64bit)
libHStime-1.6.0.1-ghc8.0.2.so()(64bit)
libHStagged-0.8.5-1mTloBSoUxv8dqUr8XBGBt-ghc8.0.2.so()(64bit)
libHStime-locale-compat-0.1.1.3-3NWht2bntyvDGDNXWNkT1S-ghc8.0.2.so()(64bit)
libHSpretty-1.1.3.3-ghc8.0.2.so()(64bit)
librt.so.1(GLIBC_2.2.5)(64bit)
libHScontainers-0.5.7.1-ghc8.0.2.so()(64bit)
libHSghc-prim-0.5.0.0-ghc8.0.2.so()(64bit)
librt.so.1()(64bit)
libHSvector-0.11.0.0-LMwQhhnXj8U3T5Bm1JFxG-ghc8.0.2.so()(64bit)
libHSunordered-containers-0.2.8.0-7sRzHY7nA2MDTBp8Ugtj2E-ghc8.0.2.so()(64bit)
libHStransformers-0.5.2.0-ghc8.0.2.so()(64bit)
libHSdeepseq-1.4.2.0-ghc8.0.2.so()(64bit)
libHSattoparsec-0.13.1.0-E7IpSM8d2Zn60lDoEtgp6t-ghc8.0.2.so()(64bit)
libHSconduit-1.2.11-8fzDXEM0qjX9eUYghCjgI2-ghc8.0.2.so()(64bit)
libHSmtl-2.2.1-BLKBelFsPB3BoFeSWSOYj6-ghc8.0.2.so()(64bit)
libm.so.6(GLIBC_2.2.5)(64bit)
libHSbase-compat-0.9.3-KeJp8zYMpcS9WibvTcxU22-ghc8.0.2.so()(64bit)
libHSbase-4.9.1.0-ghc8.0.2.so()(64bit)
libHSbinary-0.8.3.0-ghc8.0.2.so()(64bit)
libHSprimitive-0.6.1.0-6AbSTw9JXz141LE5p6LGH-ghc8.0.2.so()(64bit)
libHSdirectory-1.3.0.0-ghc8.0.2.so()(64bit)
libffi.so.4()(64bit)
libHStext-1.2.2.1-FwvWBfkNJh1I1NMMegz0uY-ghc8.0.2.so()(64bit)
libHSstm-2.4.4.1-JQn4hNPyYjP5m9AcbI88Ve-ghc8.0.2.so()(64bit)
libHSinteger-logarithms-1.0.1-IEHCuEd5sG4JjSjlx7m5JF-ghc8.0.2.so()(64bit)
libdl.so.2()(64bit)
libHSdlist-0.8.0.2-6Wnps4GD7EFnRucVzXIFD-ghc8.0.2.so()(64bit)
libgmp.so.10()(64bit)
libc.so.6(GLIBC_2.3.4)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libHSfilepath-1.4.1.1-ghc8.0.2.so()(64bit)
libHShashable-1.2.6.1-1kESIAoxKUjIcRePT58baP-ghc8.0.2.so()(64bit)
libHSmmorph-1.0.9-5bASEvmIkr5CpdAYXwPsn0-ghc8.0.2.so()(64bit)
libHSsemigroups-0.18.2-GvTCUro9Hym1wGKOLNRfUA-ghc8.0.2.so()(64bit)
libutil.so.1()(64bit)
libHSghc-boot-th-8.0.2-ghc8.0.2.so()(64bit)
libHSunix-2.7.2.1-ghc8.0.2.so()(64bit)
libHStransformers-compat-0.5.1.4-IuFogs8HAVUJBWVNMhtssu-ghc8.0.2.so()(64bit)
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
libHSlifted-base-0.2.3.11-GQ8h0b1wJUC11xTxTtHqWV-ghc8.0.2.so()(64bit)
libHStemplate-haskell-2.11.1.0-ghc8.0.2.so()(64bit)
libpthread.so.0(GLIBC_2.2.5)(64bit)
libHStransformers-base-0.4.4-GKSs0LKukAL8ymq2naFmrH-ghc8.0.2.so()(64bit)
libpthread.so.0()(64bit)
libc.so.6(GLIBC_2.3.2)(64bit)
libHSarray-0.5.1.1-ghc8.0.2.so()(64bit)
librt.so.1(GLIBC_2.3.3)(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
libHSbytestring-0.10.8.1-ghc8.0.2.so()(64bit)
libc.so.6(GLIBC_2.7)(64bit)
libHSmonad-control-1.0.2.1-CqOqIBYVBjy1GnPfyWnFHC-ghc8.0.2.so()(64bit)
rpmlib(PayloadIsLzma) <= 4.4.6-1
libm.so.6()(64bit)
libc.so.6(GLIBC_2.3)(64bit)
libdl.so.2(GLIBC_2.2.5)(64bit)
libHSexceptions-0.8.3-ADEDRATtUrMK1JW4zMQ9U-ghc8.0.2.so()(64bit)
libHSinteger-gmp-1.0.0.1-ghc8.0.2.so()(64bit)
libHSscientific-0.3.5.1-1A3QMw76WXzHmMGgxJkkIF-ghc8.0.2.so()(64bit)

Content of RPM :
/usr/bin/json2yaml
/usr/bin/yaml2json
/usr/lib64/ghc-8.0.2/yaml-0.8.23.3-3307TChp8kY3bbdQGqsKHU
/usr/lib64/ghc-8.0.2/yaml-0.8.23.3-3307TChp8kY3bbdQGqsKHU/libHSyaml-0.8.23.3-3307TChp8kY3bbdQGqsKHU-ghc8.0.2.so
/usr/share/doc/packages/ghc-yaml
/usr/share/doc/packages/ghc-yaml/LICENSE