" Vim script for exists() function test" Script-local variables are checked here " Existing script-local variablelet s:script_var = 1echo 's:script_var: 1'if exists('s:script_var')    echo "OK"else    echo "FAILED"endif " Non-existing script-local variableunlet s:script_varecho 's:script_var: 0'if !exists('s:script_var')    echo "OK"else    echo "FAILED"endif " Existing script-local listlet s:script_list = ["blue", "orange"]echo 's:script_list: 1'if exists('s:script_list')    echo "OK"else    echo "FAILED"endif " Non-existing script-local listunlet s:script_listecho 's:script_list: 0'if !exists('s:script_list')    echo "OK"else    echo "FAILED"endif " Existing script-local dictionarylet s:script_dict = {"xcord":100, "ycord":2}echo 's:script_dict: 1'if exists('s:script_dict')    echo "OK"else    echo "FAILED"endif " Non-existing script-local dictionaryunlet s:script_dictecho 's:script_dict: 0'if !exists('s:script_dict')    echo "OK"else    echo "FAILED"endif " Existing script curly-brace variablelet str = "script"let s:curly_{str}_var = 1echo 's:curly_' . str . '_var: 1'if exists('s:curly_{str}_var')    echo "OK"else    echo "FAILED"endif " Non-existing script-local curly-brace variableunlet s:curly_{str}_varecho 's:curly_' . str . '_var: 0'if !exists('s:curly_{str}_var')    echo "OK"else    echo "FAILED"endif " Existing script-local functionfunction! s:my_script_func()endfunction echo '*s:my_script_func: 1'if exists('*s:my_script_func')    echo "OK"else    echo "FAILED"endif " Non-existing script-local functiondelfunction s:my_script_func echo '*s:my_script_func: 0'if !exists('*s:my_script_func')    echo "OK"else    echo "FAILED"endif