Foreach As Loop - Revision history

UberFoX: /* Example */

2015-09-29T13:38:40Z

Example

← Older revision		Revision as of 13:38, 29 September 2015
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	// Key: Dog \| Value: Woof		// Key: Dog \| Value: Woof
	// Key: Foo \| Value: Bar		// Key: Foo \| Value: Bar
−	~~</syntaxhighlight>~~
−
−	~~Looping a .NET array~~
−
−	~~<syntaxhighlight lang="sputnik">~~
−	~~use("System");~~
−
−	~~$chars = %Char[]->new(3);~~
−	~~$chars[0] = 'A';~~
−	~~$chars[1] = 'B';~~
−	~~$chars[2] = 'C';~~
−
−	~~say "Printing";~~
−	~~foreach($chars as $c)~~
−	{
−	~~say $c;~~
−	}
−	~~// Printing~~
−	~~// A~~
−	~~// B~~
−	~~// C~~
−	~~</syntaxhighlight>~~
−
−	~~Looping a .NET array as a ref to modify its values in real time~~
−
−	~~<syntaxhighlight lang="sputnik">~~
−	~~use("System");~~
−
−	~~$chars = %Char[]->new(3);~~
−	~~$chars[0] = 'A';~~
−	~~$chars[1] = 'B';~~
−	~~$chars[2] = 'C';~~
−
−	~~say "Printing";~~
−	~~foreach($chars as &$c)~~
−	{
−	~~say $c;~~
−	*$c = 'T';
−	}
−
−	~~say "Printing modified array";~~
−	~~foreach($chars as $c)~~
−	{
−	~~say $c;~~
−	}
−	~~// Printing~~
−	~~// {REF}:A~~
−	~~// {REF}:B~~
−	~~// {REF}:C~~
−	~~// Printing modified array~~
−	~~// T~~
−	~~// T~~
−	~~// T~~
−	~~</syntaxhighlight>~~
−
−	~~Same as above~~
−
−	~~<syntaxhighlight lang="sputnik">~~
−	~~use("System");~~
−
−	~~$chars = %Char[]->new(3);~~
−	~~$chars[0] = 'A';~~
−	~~$chars[1] = 'B';~~
−	~~$chars[2] = 'C';~~
−
−	~~say "Printing";~~
−	~~foreach($chars as &$c)~~
−	{
−	~~say $c;~~
−	$c = AscW($c) + 10;
−	}
−
−	~~say "Printing modified array";~~
−	~~foreach($chars as $c)~~
−	{
−	~~say $c;~~
−	}
−	~~// Printing~~
−	~~// {REF}:A~~
−	~~// {REF}:B~~
−	~~// {REF}:C~~
−	~~// Printing modified array~~
−	~~// K~~
−	~~// L~~
−	~~// M~~
	</syntaxhighlight>		</syntaxhighlight>

UberFoX: /* Example */

2015-09-29T11:35:18Z

Example

← Older revision		Revision as of 11:35, 29 September 2015
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	// Five		// Five
	// Six		// Six
−	~~</syntaxhighlight>~~
−
−	~~Example of using List() with a .NET array~~
−
−	~~<syntaxhighlight lang="sputnik">~~
−	~~use("System");~~
−
−	~~$strs = %String[]->new(8);~~
−	~~$strs[0] = "One";~~
−	~~$strs[1] = "Two";~~
−	~~$strs[2] = "Three";~~
−	~~$strs[3] = "Four";~~
−	~~$strs[4] = "Five";~~
−	~~$strs[5] = "Six";~~
−	~~$strs[6] = "Seven";~~
−	~~$strs[7] = "Eight";~~
−
−	~~foreach($strs as list($k, $j))~~
−	{
−	~~say "$k - $j";~~
−	}
−	~~// Prints~~
−	~~// One - Two~~
−	~~// Three - Four~~
−	~~// Five - Six~~
−	~~// Seven - Eight~~
	</syntaxhighlight>		</syntaxhighlight>

	[[Category:Core Function]]		[[Category:Core Function]]

UberFoX: 1 revision

2015-06-14T12:37:48Z

1 revision

← Older revision

Revision as of 12:37, 14 June 2015

UberFoX: 1 revision

2014-08-11T21:41:09Z

1 revision

← Older revision

Revision as of 21:41, 11 August 2014

UberFoX: /* Example */

2014-08-11T20:38:22Z

Example

← Older revision		Revision as of 20:38, 11 August 2014
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	=== Example ===		=== Example ===

−	~~Try~~ use a Foreach on a string but getting Char data type when you want String for each char then see this example	+	Are you trying use a Foreach on a string but getting Char data type when you want String for each char then see this example

	<syntaxhighlight lang="sputnik">		<syntaxhighlight lang="sputnik">

UberFoX: /* Example */

2014-08-11T20:38:05Z

Example

← Older revision		Revision as of 20:38, 11 August 2014
Line 44:		Line 44:

	=== Example ===		=== Example ===
		+
		+	Try use a Foreach on a string but getting Char data type when you want String for each char then see this example
		+
		+	<syntaxhighlight lang="sputnik">
		+	// Define a string
		+	$str = "Hello";
		+	// Loop through the string as chars
		+	// notice each one is a char data type
		+	// this might cause problems if you expect
		+	// to use it as a string see below for solution
		+	foreach($str as my $c)
		+	{
		+	echo vardump($c);
		+	}
		+	// Prints
		+	// char'H'
		+	// char'e'
		+	// char'l'
		+	// char'l'
		+	// char'o'
		+
		+	// Solution? Cast to string
		+	foreach($str as my $c)
		+	{
		+	$c = (string)$c;
		+	echo vardump($c);
		+	}
		+	// Prints
		+	// string(1) "H"
		+	// string(1) "e"
		+	// string(1) "l"
		+	// string(1) "l"
		+	// string(1) "o"
		+	</syntaxhighlight>

	Using from		Using from

UberFoX: /* Example */

2014-08-11T20:16:57Z

Example

← Older revision		Revision as of 20:16, 11 August 2014
Line 44:		Line 44:

	=== Example ===		=== Example ===
		+
		+	Using from
		+
		+	<syntaxhighlight lang="sputnik">
		+	$a = array("Zero", "One", "Two", "Three", "Four", "Five", "Six");
		+	foreach($a as $c from 1)
		+	{
		+	say $c;
		+	}
		+	// Prints
		+	// One
		+	// Two
		+	// Three
		+	// Four
		+	// Five
		+	// Six
		+	</syntaxhighlight>
		+
		+	Using from and to
		+
		+	<syntaxhighlight lang="sputnik">
		+	$a = array("Zero", "One", "Two", "Three", "Four", "Five", "Six");
		+	foreach($a as $c from 1 to 3)
		+	{
		+	say $c;
		+	}
		+	// Prints
		+	// One
		+	// Two
		+	// Three
		+	</syntaxhighlight>

	Here we cycle through binary data :		Here we cycle through binary data :

UberFoX: /* Description */

2014-08-11T20:14:38Z

Description

← Older revision		Revision as of 20:14, 11 August 2014
Line 7:		Line 7:
	<pre>		<pre>
	foreach( <expression> as <value> )		foreach( <expression> as <value> )
		+	{
		+	statements
		+	...
		+	}
		+	foreach( <expression> as <value> from <offset> )
		+	{
		+	statements
		+	...
		+	}
		+	foreach( <expression> as <value> from <start> to <end> )
	{		{
	statements		statements

UberFoX: /* Remarks */

2014-08-11T20:13:39Z

Remarks

← Older revision		Revision as of 20:13, 11 August 2014
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	=== Remarks ===		=== Remarks ===

−	~~For~~...As statements may be nested.	+	Foreach...As statements may be nested.

	If the expression contains an array the loop will cycle through each element in the array.		If the expression contains an array the loop will cycle through each element in the array.
Line 32:		Line 32:

	It is a bad idea to try edit the array while you are loop through it... Strange things may happen including hard crashes.		It is a bad idea to try edit the array while you are loop through it... Strange things may happen including hard crashes.
−
−	~~If you wish to edit an array as you loop through it check out [[Core Function Each\|Each( <array> )]] command see its examples one of them should tell you how to do this.~~

	=== Example ===		=== Example ===

UberFoX: /* Example */

2014-08-09T12:38:22Z

Example

← Older revision		Revision as of 12:38, 9 August 2014
Line 318:		Line 318:
	// Five		// Five
	// Six		// Six
		+	</syntaxhighlight>
		+
		+	Example of using List() with a .NET array
		+
		+	<syntaxhighlight lang="sputnik">
		+	use("System");
		+
		+	$strs = %String[]->new(8);
		+	$strs[0] = "One";
		+	$strs[1] = "Two";
		+	$strs[2] = "Three";
		+	$strs[3] = "Four";
		+	$strs[4] = "Five";
		+	$strs[5] = "Six";
		+	$strs[6] = "Seven";
		+	$strs[7] = "Eight";
		+
		+	foreach($strs as list($k, $j))
		+	{
		+	say "$k - $j";
		+	}
		+	// Prints
		+	// One - Two
		+	// Three - Four
		+	// Five - Six
		+	// Seven - Eight
	</syntaxhighlight>		</syntaxhighlight>

	[[Category:Core Function]]		[[Category:Core Function]]