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* Tweak cycle operator to support step size parameter and add docs for toggle and cycle * Mention that title list should have no duplicates
27 lines
1.5 KiB
Plaintext
27 lines
1.5 KiB
Plaintext
caption: toggle
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created: 20201107153758990
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modified: 20201118192155504
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op-input: a list of items
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op-output: the input list with the title specified in the parameter toggled
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op-parameter: the <<.op toggle>> operator accepts 1 or more parameters, see below for details
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op-purpose: toggle the title specified in the operand in the input
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tags: [[Filter Operators]] [[Listops Operators]] [[Order Operators]]
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title: toggle Operator
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type: text/vnd.tiddlywiki
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<<.from-version "5.1.23">>
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The <<.op toggle>> operator requires at least one parameter and can accept additional optional parameters. With a second optional parameter it can be used to toggle between a pair of titles:
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```
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[toggle[<title1>],[<title2>]]
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```
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* ''title1'' : a title to toggle in the input list. If it is already present, it is removed. Otherwise, it is added.
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* ''title2'': (optional). When the second parameter is provided, the operator toggles between the two values in the input list. If neither is present, the first parameter takes precedence is added to the list.
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With more than two parameters, the <<.op toggle>> behaves similar to the [[cycle|cycle Operator]] and can be used to cycle through a list of values. Note that all operands should be unique.
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<$macrocall $name=".tip" _="While the <<.op cycle>> operator interprets its first parameter as a list of titles to cycle through and offers similar functionality, the <<.op toggle>> operator accepts an unlimited number of distinct parameters."/>
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<<.operator-examples "toggle">>
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