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Diffstat (limited to 'docs/content/en/functions/compare/Conditional.md')
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diff --git a/docs/content/en/functions/compare/Conditional.md b/docs/content/en/functions/compare/Conditional.md deleted file mode 100644 index 6d693770d..000000000 --- a/docs/content/en/functions/compare/Conditional.md +++ /dev/null @@ -1,41 +0,0 @@ ---- -title: compare.Conditional -description: Returns one of two arguments depending on the value of the control argument. -categories: [] -keywords: [] -action: - aliases: [cond] - related: - - functions/compare/Default - returnType: any - signatures: [compare.Conditional CONTROL ARG1 ARG2] -aliases: [/functions/cond] ---- - -The CONTROL argument is a boolean value that indicates whether the function should return ARG1 or ARG2. If CONTROL is `true`, the function returns ARG1. Otherwise, the function returns ARG2. - -```go-html-template -{{ $qty := 42 }} -{{ cond (le $qty 3) "few" "many" }} → many -``` - -The CONTROL argument must be either `true` or `false`. To cast a non-boolean value to boolean, pass it through the `not` operator twice. - -```go-html-template -{{ cond (42 | not | not) "truthy" "falsy" }} → truthy -{{ cond ("" | not | not) "truthy" "falsy" }} → falsy -``` - -{{% note %}} -Unlike [ternary operators] in other languages, the `cond` function does not perform [short-circuit evaluation]. The function evaluates both ARG1 and ARG2, regardless of the CONTROL value. - -[short-circuit evaluation]: https://en.wikipedia.org/wiki/Short-circuit_evaluation -[ternary operators]: https://en.wikipedia.org/wiki/Ternary_conditional_operator -{{% /note %}} - -Due to the absence of short-circuit evaluation, these examples throw an error: - -```go-html-template -{{ cond true "true" (div 1 0) }} -{{ cond false (div 1 0) "false" }} -``` |