Simplified Common Lisp reference

Symbol class: Sequences (Lists, Strings) and Arrays

Syntax:

Symbol type: function

concatenateresult-typeseqs^{(one or more)} => sequence

Argument description:

result-type	sequence type specifier or NIL
seqs	sequences

CONCATENATE creates new sequence and fills it with data from arguments. See also MAPCAN.

(concatenate 'string "hello" " " "world") => "hello world"
(concatenate 'list "hello" " " "world") => (#\h #\e #\l #\l #\o #\  #\w #\o #\r #\l #\d)
(concatenate 'vector "hello" " " "world") => #(#\h #\e #\l #\l #\o #\  #\w #\o #\r #\l #\d)
(concatenate 'vector '(1 2) '(3 4)) => #(1 2 3 4)

Function index Full documentation for concatenate (HyperSpec)