mirror of
https://github.com/duke-git/lancet.git
synced 2026-02-06 13:42:28 +08:00
58 lines
1018 B
Markdown
58 lines
1018 B
Markdown
# Xerror
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Package xerror implements helpers for errors.
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<div STYLE="page-break-after: always;"></div>
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## Source:
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- [https://github.com/duke-git/lancet/blob/main/xerror/xerror.go](https://github.com/duke-git/lancet/blob/main/xerror/xerror.go)
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<div STYLE="page-break-after: always;"></div>
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## Usage:
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```go
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import (
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"github.com/duke-git/lancet/xerror"
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)
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```
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<div STYLE="page-break-after: always;"></div>
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## Index
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- [Unwrap](#Unwrap)
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<div STYLE="page-break-after: always;"></div>
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## Documentation
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### <span id="Unwrap">Unwrap</span>
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<p>Unwrap if err is nil then it returns a valid value. If err is not nil, Unwrap panics with err.</p>
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<b>Signature:</b>
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```go
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func Unwrap[T any](val T, err error) T
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```
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<b>Example:</b>
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```go
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package main
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import (
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"fmt"
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"github.com/duke-git/lancet/xerror"
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)
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func main() {
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_, err := strconv.Atoi("4o2")
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defer func() {
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v := recover()
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fmt.Println(err.Error()) // err.Error() == v.(*strconv.NumError).Error()
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}()
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xerror.Unwrap(strconv.Atoi("4o2"))
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}
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```
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