errstack

package

v0.14.0 Latest Latest Go to latest Published: Sep 20, 2025 License: MIT Imports: 6 Imported by: 0

Details

Package errstack provides utilities to manage error stack traces.

Example ¶

err := errors.New("error")
err = Wrap(err)
fmt.Println(err)
sfs := slices.Collect(Frames(err))
fmt.Println(len(sfs))

Output:

error
2

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func Ensure(err error) error

Ensure adds a stack to an error if it does not already have one.

func EnsureSkip(err error, skip int) error

EnsureSkip adds a stack to an error if it does not already have one, skipping the given number of frames.

func Frames(err error) iter.Seq[iter.Seq[runtime.Frame]]

Frames returns the list of runtime.Frame associated to an error.

func Wrap(err error) error

Wrap adds a stack to an error.

The verbose message contains the stack.

func WrapSkip(err error, skip int) error

WrapSkip calls Wrap, skipping the given number of frames.

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