Just be careful that `add` will modify the original seq.
- Concatenation of seq and array? PMunch
- Concatenation of seq and array? Zoom
- Concatenation of seq and array? Gekkonier
- Concatenation of seq and array? Zoom
- Concatenation of seq and array? shirleyquirk
- Concatenation of seq and array? Gekkonier
- Concatenation of seq and array? Araq
- Concatenation of seq and array? Stefan_Salewski
- Concatenation of seq and array? bpr
- Concatenation of seq and array? Stefan_Salewski
- Concatenation of seq and array? xigoi
- Concatenation of seq and array? bpr
- Concatenation of seq and array? Stefan_Salewski
- Concatenation of seq and array? PMunch
- Concatenation of seq and array? Araq
- Concatenation of seq and array? holgerschurig