%mode init
A1@A
A2@C
A3:2.3
A4:true
A5=21/3
B1@B
B2="D"
B10=REPT("Z",2)
C1=TEXTJOIN(", ",0,A1:B2)
C2=TEXTJOIN(", ",0,A1:A2,B1:B2)
C3=TEXTJOIN(", ",0,A1:B1,A2:B2)
C4=TEXTJOIN(":",0,A1,B2,A2,B1,A1)
C5=TEXTJOIN(":",0,A1:A4)
C6=TEXTJOIN(",",0,B1:B10)
C7=TEXTJOIN(",",1,B1:B10)
C8=TEXTJOIN("@",1,A1:A5)
%calc
%mode result
C1="A, B, C, D"
C2="A, C, B, D"
C3="A, B, C, D"
C4="A:D:C:B:A"
C5="A:C:2.3:true"
C6="B,D,,,,,,,,ZZ"
C7="B,D,ZZ"
C8="A@C@2.3@true@7"
%check