TiddlyWiki5/editions/test/tiddlers/tests/data/custom-operators/Parameterised.tid

title: CustomOperators/Parameterised
description: Parameterised custom operator usage
type: text/vnd.tiddlywiki-multiple
tags: [[$:/tags/wiki-test-spec]]

title: Output

\whitespace trim
\function .multiplybysomething(first:ignored,factor:2)
[multiply[2]multiply<factor>]
\end

<$text text={{{ [[123].multiplybysomething[]] }}}/>
-
<$text text={{{ [[123].multiplybysomething[x],[4]] }}}/>
|
<$text text={{{ [[123]function[.multiplybysomething]] }}}/>
-
<$text text={{{ [[123]function[.multiplybysomething],[x],[4]] }}}/>

+
title: ExpectedResult

<p>492-984|492-984</p>
Experimental support for custom filter operators Just as we can define custom widgets we can also define custom parameterised filter operators 2022-05-06 14:01:17 +00:00			`title: CustomOperators/Parameterised`
			`description: Parameterised custom operator usage`
			`type: text/vnd.tiddlywiki-multiple`
			`tags: [[$:/tags/wiki-test-spec]]`

			`title: Output`

			`\whitespace trim`
Require period prefix for custom filter operator functions To ensure that custom filter operators cannot clash with future core operators. 2022-05-23 15:40:21 +00:00			`\function .multiplybysomething(first:ignored,factor:2)`
Experimental support for custom filter operators Just as we can define custom widgets we can also define custom parameterised filter operators 2022-05-06 14:01:17 +00:00			`[multiply[2]multiply<factor>]`
			`\end`

Require period prefix for custom filter operator functions To ensure that custom filter operators cannot clash with future core operators. 2022-05-23 15:40:21 +00:00			`<$text text={{{ [[123].multiplybysomething[]] }}}/>`
Experimental support for custom filter operators Just as we can define custom widgets we can also define custom parameterised filter operators 2022-05-06 14:01:17 +00:00			`-`
Require period prefix for custom filter operator functions To ensure that custom filter operators cannot clash with future core operators. 2022-05-23 15:40:21 +00:00			`<$text text={{{ [[123].multiplybysomething[x],[4]] }}}/>`
Introduce function operator for calling functions Can invoke any functions, not just those start with a period. And can pass zero parameters (in contrast when invoked as a custom filter operator there's no way to omit the first parameter). 2022-05-30 17:05:54 +00:00			`\|`
			`<$text text={{{ [[123]function[.multiplybysomething]] }}}/>`
			`-`
			`<$text text={{{ [[123]function[.multiplybysomething],[x],[4]] }}}/>`
Experimental support for custom filter operators Just as we can define custom widgets we can also define custom parameterised filter operators 2022-05-06 14:01:17 +00:00
			`+`
			`title: ExpectedResult`

Introduce function operator for calling functions Can invoke any functions, not just those start with a period. And can pass zero parameters (in contrast when invoked as a custom filter operator there's no way to omit the first parameter). 2022-05-30 17:05:54 +00:00			`<p>492-984\|492-984</p>`