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Diffstat (limited to 'docs/content/en/functions/fmt/Warnf.md')
-rw-r--r-- | docs/content/en/functions/fmt/Warnf.md | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/docs/content/en/functions/fmt/Warnf.md b/docs/content/en/functions/fmt/Warnf.md new file mode 100644 index 000000000..be579a216 --- /dev/null +++ b/docs/content/en/functions/fmt/Warnf.md @@ -0,0 +1,30 @@ +--- +title: fmt.Warnf +linkTitle: warnf +description: Log a WARNING from a template. +categories: [functions] +keywords: [] +menu: + docs: + parent: functions +function: + aliases: [warnf] + returnType: string + signatures: ['fmt.Warnf FORMAT [INPUT]'] +relatedFunctions: + - fmt.Errorf + - fmt.Erroridf + - fmt.Warnf +aliases: [/functions/warnf] +--- + +The documentation for [Go's fmt package] describes the structure and content of the format string. + +Like the [`printf`] function, the `warnf` function evaluates the format string. It then prints the result to the WARNING log. Hugo prints each unique message once to avoid flooding the log with duplicate warnings. + +```go-html-template +{{ warnf "Copyright notice missing from site configuration" }} +``` + +[`printf`]: /functions/fmt/printf +[Go's fmt package]: https://pkg.go.dev/fmt |