31 lines
593 B
Markdown
31 lines
593 B
Markdown
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---
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title: caller
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id: caller
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weight: 20
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draft: false
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author: "people"
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---
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## NAME
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caller
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## SYNOPSIS
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get the name and line number of the calling routine
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## USAGE
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```
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local log = require "lib/dtutils.log"
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result = log.caller(level)
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```
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**level** - _number_ - the number of stack levels to go down to retrieve the caller routine information
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## DESCRIPTION
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**caller** gets the name and line number of the calling routine and returns it
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## RETURN VALUE
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**result** - _string_ - the name and line number of the calling function or 'callback: ' if the attempt to get the caller returns nil
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