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function(foreachTest result list_var_1 list_var_2 list_var_3)
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set(_options MUTE)
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set(_one_value_args)
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set(_multi_value_args)
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cmake_parse_arguments(PARSE_ARGV 3 _arg "${_options}" "${_one_value_args}" "${_multi_value_args}")
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set(_has_any_output FALSE)
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list(APPEND CMAKE_MESSAGE_INDENT "| ")
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foreach(num IN ZIP_LISTS ${list_var_1} ${list_var_2} ${list_var_3})
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foreach(i RANGE 2)
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if(NOT num_${i})
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set(num_${i} "[undefined]")
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endif()
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endforeach()
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if(NOT _arg_MUTE)
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message(STATUS "${num_0}, ${num_1}, ${num_2}")
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endif()
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set(_has_any_output TRUE)
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endforeach()
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set(${result} ${_has_any_output} PARENT_SCOPE)
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endfunction()
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function(foreachTestDecorated list_var_1 list_var_2 list_var_3)
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list(APPEND CMAKE_MESSAGE_INDENT " ")
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message(STATUS "Begin output")
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foreachTest(_has_any_output ${list_var_1} ${list_var_2} ${list_var_3})
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if(NOT _has_any_output)
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message(STATUS "--> empty-output <--")
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endif()
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message(STATUS "End output")
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endfunction()
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message(STATUS "foreach(IN ZIP_LISTS):")
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list(APPEND CMAKE_MESSAGE_INDENT " ")
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set(english)
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set(bahasa)
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set(russian)
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message(STATUS "<<< empty lists case >>>")
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foreachTestDecorated(english bahasa russian)
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list(APPEND english one two three)
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list(APPEND bahasa satu dua tiga)
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list(APPEND russian raz dva tri)
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message(STATUS "<<< same lengths lists case >>>")
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foreachTestDecorated(english bahasa russian)
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list(APPEND bahasa empat)
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message(STATUS "<<< different lengths lists case >>>")
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foreachTestDecorated(english bahasa russian)
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set(num_0 "old-0")
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set(num_1 "old-1")
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set(num_2 "old-2")
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foreachTest(_ english bahasa russian MUTE)
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set(check PASSED)
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foreach(i RANGE 2)
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if(NOT "${num_${i}}" STREQUAL "old-${i}")
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message(SEND_ERROR "num_${i} value is corrupted")
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set(check FAILED)
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endif()
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endforeach()
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message(STATUS "<<< test variable value restored -- ${check} >>>")
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list(POP_BACK CMAKE_MESSAGE_INDENT)
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