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27 lines
679 B
Markdown
27 lines
679 B
Markdown
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---
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title: fmt.Errorf
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description: Log an ERROR from a template.
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categories: []
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keywords: []
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action:
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aliases: [errorf]
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related:
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- functions/fmt/Erroridf
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- functions/fmt/Warnf
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returnType: string
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signatures: ['fmt.Errorf FORMAT [INPUT]']
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aliases: [/functions/errorf]
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---
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{{% include "functions/fmt/_common/fmt-layout.md" %}}
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The `errorf` function evaluates the format string, then prints the result to the ERROR log and fails the build.
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```go-html-template
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{{ errorf "The %q shortcode requires a src parameter. See %s" .Name .Position }}
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```
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Use the [`erroridf`] function to allow optional suppression of specific errors.
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[`erroridf`]: /functions/fmt/erroridf
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