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function(foreachTest result list_var_1 list_var_2 list_var_3)
set(_options MUTE)
set(_one_value_args)
set(_multi_value_args)
cmake_parse_arguments(PARSE_ARGV 3 _arg "${_options}" "${_one_value_args}" "${_multi_value_args}")
set(_has_any_output FALSE)
list(APPEND CMAKE_MESSAGE_INDENT "| ")
foreach(first second third IN ZIP_LISTS ${list_var_1} ${list_var_2} ${list_var_3})
if(NOT first)
set(first "[undefined]")
endif()
if(NOT second)
set(second "[undefined]")
endif()
if(NOT third)
set(third "[undefined]")
endif()
if(NOT _arg_MUTE)
message(STATUS "${first}, ${second}, ${third}")
endif()
set(_has_any_output TRUE)
endforeach()
set(${result} ${_has_any_output} PARENT_SCOPE)
endfunction()
function(foreachTestDecorated list_var_1 list_var_2 list_var_3)
list(APPEND CMAKE_MESSAGE_INDENT " ")
message(STATUS "Begin output")
foreachTest(_has_any_output ${list_var_1} ${list_var_2} ${list_var_3})
if(NOT _has_any_output)
message(STATUS "--> empty-output <--")
endif()
message(STATUS "End output")
endfunction()
list(APPEND english one two three)
list(APPEND bahasa satu dua tiga)
list(APPEND russian raz dva tri)
message(STATUS "foreach(... IN ZIP_LISTS):")
foreachTestDecorated(english bahasa russian)
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