WoW:API next - Revision history

Move page script: Move page script moved page API next to WoW:API next without leaving a redirect

2023-08-15T04:46:58Z

Move page script moved page API next to API next without leaving a redirect

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Revision as of 04:46, 15 August 2023

Bear at 07:31, 19 September 2013

2013-09-19T07:31:31Z

← Older revision		Revision as of 07:31, 19 September 2013
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	{{~~luaapi~~}}		{{wowlua}}
	Returns the next key/value pair for a given table and key.		Returns the next key/value pair for a given table and key.
	key, value = next (table, [oldKey])		key, value = next (table, [oldKey])

	Allows a program to traverse all fields of a table. Its first argument is a table and its second argument is an index in this table. '''<tt>next</tt>''' returns the next index of the table and the value associated with the index. When called with nil as its second argument, '''<tt>next</tt>''' returns the first index of the table and its associated value. When called with the last index, or with nil in an empty table, '''<tt>next</tt>''' returns nil. If the second argument is absent, then it is interpreted as nil.		Allows a program to traverse all fields of a table. Its first argument is a table and its second argument is an index in this table. '''<tt>next</tt>''' returns the next index of the table and the value associated with the index. When called with nil as its second argument, '''<tt>next</tt>''' returns the first index of the table and its associated value. When called with the last index, or with nil in an empty table, '''<tt>next</tt>''' returns nil. If the second argument is absent, then it is interpreted as nil.


	Lua has no declaration of fields; There is no difference between a field not present in a table or a field with value nil. Therefore, '''<tt>next</tt>''' only considers fields with non-nil values. The order in which the indices are enumerated is not specified, even for numeric indices. (To traverse a table in numeric order, use a numerical for or the '''<tt>ipairs</tt>''' function.)		Lua has no declaration of fields; There is no difference between a field not present in a table or a field with value nil. Therefore, '''<tt>next</tt>''' only considers fields with non-nil values. The order in which the indices are enumerated is not specified, even for numeric indices. (To traverse a table in numeric order, use a numerical for or the '''<tt>ipairs</tt>''' function.)


	The behavior of '''<tt>next</tt>''' is undefined if, during the traversal, you assign any value to a non-existent field in the table. Changing values of existing keys or removing keys is alright though.		The behavior of '''<tt>next</tt>''' is undefined if, during the traversal, you assign any value to a non-existent field in the table. Changing values of existing keys or removing keys is alright though.

WoWWiki>Starlightblunder: {{luaapi}}

2010-03-25T23:07:00Z

← Older revision		Revision as of 23:07, 25 March 2010
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	~~Native Lua statement:~~		{{luaapi}}
			Returns the next key/value pair for a given table and key.
	next (table, [~~index~~])		key, value = next (table, [oldKey])

	Allows a program to traverse all fields of a table. Its first argument is a table and its second argument is an index in this table. '''<tt>next</tt>''' returns the next index of the table and the value associated with the index. When called with nil as its second argument, '''<tt>next</tt>''' returns the first index of the table and its associated value. When called with the last index, or with nil in an empty table, '''<tt>next</tt>''' returns nil. If the second argument is absent, then it is interpreted as nil.		Allows a program to traverse all fields of a table. Its first argument is a table and its second argument is an index in this table. '''<tt>next</tt>''' returns the next index of the table and the value associated with the index. When called with nil as its second argument, '''<tt>next</tt>''' returns the first index of the table and its associated value. When called with the last index, or with nil in an empty table, '''<tt>next</tt>''' returns nil. If the second argument is absent, then it is interpreted as nil.
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	The behavior of '''<tt>next</tt>''' is undefined if, during the traversal, you assign any value to a non-existent field in the table. Changing values of existing keys or removing keys is alright though.		The behavior of '''<tt>next</tt>''' is undefined if, during the traversal, you assign any value to a non-existent field in the table. Changing values of existing keys or removing keys is alright though.

	~~{{LUA}}~~

WoWWiki>VoidvectorBot: Robot: converting/fixing HTML

2007-01-20T09:37:46Z

Robot: converting/fixing HTML

← Older revision		Revision as of 09:37, 20 January 2007
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	next (table, [index])		next (table, [index])

	Allows a program to traverse all fields of a table. Its first argument is a table and its second argument is an index in this table. ~~<b>~~<tt>next</tt>~~</b>~~ returns the next index of the table and the value associated with the index. When called with nil as its second argument, ~~<b>~~<tt>next</tt>~~</b>~~ returns the first index of the table and its associated value. When called with the last index, or with nil in an empty table, ~~<b>~~<tt>next</tt>~~</b>~~ returns nil. If the second argument is absent, then it is interpreted as nil.		Allows a program to traverse all fields of a table. Its first argument is a table and its second argument is an index in this table. '''<tt>next</tt>''' returns the next index of the table and the value associated with the index. When called with nil as its second argument, '''<tt>next</tt>''' returns the first index of the table and its associated value. When called with the last index, or with nil in an empty table, '''<tt>next</tt>''' returns nil. If the second argument is absent, then it is interpreted as nil.


	Lua has no declaration of fields; There is no difference between a field not present in a table or a field with value nil. Therefore, ~~<b>~~<tt>next</tt>~~</b>~~ only considers fields with non-nil values. The order in which the indices are enumerated is not specified, even for numeric indices. (To traverse a table in numeric order, use a numerical for or the ~~<b>~~<tt>ipairs</tt>~~</b>~~ function.)		Lua has no declaration of fields; There is no difference between a field not present in a table or a field with value nil. Therefore, '''<tt>next</tt>''' only considers fields with non-nil values. The order in which the indices are enumerated is not specified, even for numeric indices. (To traverse a table in numeric order, use a numerical for or the '''<tt>ipairs</tt>''' function.)


	The behavior of ~~<b>~~<tt>next</tt>~~</b>~~ is undefined if, during the traversal, you assign any value to a non-existent field in the table. Changing values of existing keys or removing keys is alright though.		The behavior of '''<tt>next</tt>''' is undefined if, during the traversal, you assign any value to a non-existent field in the table. Changing values of existing keys or removing keys is alright though.

	{{LUA}}		{{LUA}}

WoWWiki>Mikk: Added "Changing values of existing keys or removing keys is alright though."

2006-05-26T12:25:11Z

Added "Changing values of existing keys or removing keys is alright though."

← Older revision		Revision as of 12:25, 26 May 2006
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	~~<b><tt>~~next (table, [index])~~</tt></b>~~		Native Lua statement:

			next (table, [index])

	Allows a program to traverse all fields of a table. Its first argument is a table and its second argument is an index in this table. <b><tt>next</tt></b> returns the next index of the table and the value associated with the index. When called with nil as its second argument, <b><tt>next</tt></b> returns the first index of the table and its associated value. When called with the last index, or with nil in an empty table, <b><tt>next</tt></b> returns nil. If the second argument is absent, then it is interpreted as nil.		Allows a program to traverse all fields of a table. Its first argument is a table and its second argument is an index in this table. <b><tt>next</tt></b> returns the next index of the table and the value associated with the index. When called with nil as its second argument, <b><tt>next</tt></b> returns the first index of the table and its associated value. When called with the last index, or with nil in an empty table, <b><tt>next</tt></b> returns nil. If the second argument is absent, then it is interpreted as nil.
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	The behavior of <b><tt>next</tt></b> is undefined if, during the traversal, you assign any value to a non-existent field in the table.		The behavior of <b><tt>next</tt></b> is undefined if, during the traversal, you assign any value to a non-existent field in the table. Changing values of existing keys or removing keys is alright though.

	~~----~~		{{LUA}}
	{{~~template:WoW API~~}}

WoWWiki>Muert at 22:16, 30 December 2005

2005-12-30T22:16:28Z

← Older revision		Revision as of 22:16, 30 December 2005
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	The behavior of <b><tt>next</tt></b> is undefined if, during the traversal, you assign any value to a non-existent field in the table.		The behavior of <b><tt>next</tt></b> is undefined if, during the traversal, you assign any value to a non-existent field in the table.

			----
			{{template:WoW API}}

WoWWiki>WoWWiki-Tattersail at 09:57, 30 October 2005

2005-10-30T09:57:50Z

New page

<tt>next (table, [index])</tt>

Allows a program to traverse all fields of a table. Its first argument is a table and its second argument is an index in this table. <tt>next</tt> returns the next index of the table and the value associated with the index. When called with nil as its second argument, <tt>next</tt> returns the first index of the table and its associated value. When called with the last index, or with nil in an empty table, <tt>next</tt> returns nil. If the second argument is absent, then it is interpreted as nil.

Lua has no declaration of fields; There is no difference between a field not present in a table or a field with value nil. Therefore, <tt>next</tt> only considers fields with non-nil values. The order in which the indices are enumerated is not specified, even for numeric indices. (To traverse a table in numeric order, use a numerical for or the <tt>ipairs</tt> function.)

The behavior of <tt>next</tt> is undefined if, during the traversal, you assign any value to a non-existent field in the table.