ForNext

115. dedupe

VBScript

JScript

Perl

use List::MoreUtils 'uniq';

my @a = (1,2,2,3);
my @a2 = uniq @a;
@a = uniq @a;

PHP

$a = array(1,2,2,3);
$a2 = array_unique($a);
$a = array_unique($a);

Python

a = [1,2,2,3]
a2 = list(set(a))
a = list(set(a))

Ruby

a = [1,2,2,3]
a2 = a.uniq
a.uniq!

PowerShell

Scala

F#

C

C++

C++Builder

VC++

C#

Java

Objective-C

D

VB

VB.NET

Delphi

Ada

PL/SQL

T-SQL