Programming-Idioms

History of Idiom 119 > diff from v13 to v14

Edit summary for version 14 by :
[Java] Original ordering is not preserved.

↷

Version 13

2016-02-17, 13:19:51

Version 14

2016-02-18, 16:58:03

Idiom #119 Deduplicate list

Remove duplicates from list x.
Explain if original order is preserved.

Idiom #119 Deduplicate list

Remove duplicates from list x.
Explain if original order is preserved.

Imports

import std.container;
import std.array;

Imports

import std.container;
import std.array;

Code

x = redBlackTree(x)[].array;

Code

x = redBlackTree(x)[].array;

Comments bubble

Converts to a set then back to an array

Comments bubble

Converts to a set then back to an array

Doc URL

http://dlang.org/phobos/std_container_rbtree.html#.redBlackTree

Doc URL

http://dlang.org/phobos/std_container_rbtree.html#.redBlackTree

Java

Java

Imports

import java.util.HashSet;
import java.util.ArrayList;

Imports

import java.util.HashSet;
import java.util.ArrayList;

Code

x = new ArrayList<T>(new HashSet<T>(x));

Code

x = new ArrayList<T>(new HashSet<T>(x));

Comments bubble

This creates a new ArrayList object.
Original ordering is not preserved.

Comments bubble

This creates a new ArrayList object.
Original ordering is not preserved.

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History of Idiom 119 > diff from v13 to v14

Version 13

Version 14

Idiom #119 Deduplicate list

Idiom #119 Deduplicate list

Imports

Imports

Code

Code

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Comments bubble

Doc URL

Doc URL

Imports

Imports

Code

Code

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