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lightningnetwork / lnd / 12583319996

02 Jan 2025 01:38PM UTC coverage: 57.522% (-1.1%) from 58.598%
12583319996

Pull #9361

github

starius
fn/ContextGuard: use context.AfterFunc to wait

Simplifies context cancellation handling by using context.AfterFunc instead of a
goroutine to wait for context cancellation. This approach avoids the overhead of
a goroutine during the waiting period.

For ctxQuitUnsafe, since g.quit is closed only in the Quit method (which also
cancels all associated contexts), waiting on context cancellation ensures the
same behavior without unnecessary dependency on g.quit.

Added a test to ensure that the Create method does not launch any goroutines.
Pull Request #9361: fn: optimize context guard

102587 of 178344 relevant lines covered (57.52%)

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0.0
/lnutils/errors.go
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package lnutils
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import "errors"
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// ErrorAs behaves the same as `errors.As` except there's no need to declare
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// the target error as a variable first.
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// Instead of writing:
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//
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//        var targetErr *TargetErr
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//        errors.As(err, &targetErr)
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//
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// We can write:
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//
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//        lnutils.ErrorAs[*TargetErr](err)
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//
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// To save us from declaring the target error variable.
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func ErrorAs[Target error](err error) bool {
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        var targetErr Target
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        return errors.As(err, &targetErr)
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}
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