Add traits to help type checks #219

Job	Run time
lint	9s
check_docker_files / check_docker_files	3s
build_base	0s
build (openmp, gcc, gcc, g++, -DKokkos_ENABLE_OPENMP=ON, -DCMAKE_CXX_FLAGS="-Wall -Wextra" -DCMAK...	6m 1s
build (threads, gcc, gcc, g++, -DKokkos_ENABLE_THREADS=ON, -DCMAKE_CXX_FLAGS="-Wall -Wextra" -DCM...	7m 0s
build (serial, gcc, gcc, g++, -DKokkos_ENABLE_SERIAL=ON, -DCMAKE_CXX_FLAGS="-Wall -Wextra" -DCMAK...	4m 45s
build (cuda, nvcc, gcc, g++, -DKokkos_ENABLE_CUDA=ON -DKokkos_ARCH_AMPERE80=ON, -DCMAKE_CXX_FLAGS...	13m 1s
build (cuda, nvcc, gcc, g++, -DKokkos_ENABLE_CUDA=ON -DKokkos_ARCH_AMPERE80=ON, -DCMAKE_CXX_FLAGS...	11m 40s
build (hip, rocm, hipcc, hipcc, -DKokkos_ENABLE_HIP=ON -DKokkos_ARCH_VEGA90A=ON, -DCMAKE_CXX_FLAG...	11m 42s
build (hip, rocm, hipcc, hipcc, -DKokkos_ENABLE_HIP=ON -DKokkos_ARCH_VEGA90A=ON, -DCMAKE_CXX_FLAG...	11m 42s
build (rocm, rocm, hipcc, hipcc, -DKokkos_ENABLE_HIP=ON -DKokkos_ARCH_VEGA90A=ON, -DCMAKE_CXX_FLA...	11m 49s
build (rocm, rocm, hipcc, hipcc, -DKokkos_ENABLE_HIP=ON -DKokkos_ARCH_VEGA90A=ON, -DCMAKE_CXX_FLA...	12m 6s
build (sycl, intel, icx, icpx, -DKokkos_ENABLE_SYCL=ON -DKokkos_ARCH_INTEL_GEN=ON, -DCMAKE_CXX_FL...	18m 32s
build (sycl, intel, icx, icpx, -DKokkos_ENABLE_SYCL=ON -DKokkos_ARCH_INTEL_GEN=ON, -DCMAKE_CXX_FL...	17m 59s
test (cuda, nvcc, self-hosted, cuda)	8m 21s
test (openmp, gcc, ubuntu-latest)	3m 25s
test (threads, gcc, ubuntu-latest)	4m 0s
test (serial, gcc, ubuntu-latest)	3m 57s
	2h 26m 12s

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