• JS

let t = s + i;

• JS

let t = `${s}${i}`

• Ada

t : String := s & Integer'Image (i);

• Clojure

(def t (str s i))

• C++

auto t = s + std::to_string (i);

• C#

var t = $"{s} {i}";

• D

string t = s ~ to!string(i);

• D

string t = "%s%d".format(s, i);

• Dart

var t = '$s$i';

• Elixir

t =  s <>  to_string(i)

• Fortran

write (unit=t,fmt='(A,I0)') s, i

• Go

t := s + strconv.Itoa(i)

• Go

t := fmt.Sprintf("%s%d", s, i)

• Haskell

t = s ++ show i

• Java

String t = "%s%s".formatted(s, i);

• Java

String t = s + i;

• Lisp

(format nil "~a~d" s i)

• Lua

t = s .. i

• PHP

$t = $s . $i;

• Pascal

t := s + i.ToString;

• Pascal

t := s + IntToStr(i);

• Perl

my $t = "$s$i";

• Perl

my $t = $s . $i;

• Python

t = '{}{}'.format(s, i)

• Python

t = f"{s}{i}"

• Python

t = '%s%s' % (s, i)

• Python

t = s + str(i)

• Ruby

t = "#{s}#{i}"

• Ruby

t = s + i.to_s

• Rust

let t = format!("{s}{i}");

• Rust

let t = format!("{}{}", s, i);

• Scala

val t = s + i

• Smalltalk

t := s, i asString.