Adds a couple linters for checking for common performance improvements + fixes found issues

zmap / zdns

Fast DNS Lookup Library and CLI Tool

Apache License 2.0

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Adds a couple linters for checking for common performance improvements + fixes found issues #380

Closed phillip-stephens closed 2 months ago

phillip-stephens commented 2 months ago

Changes

Noticed there was a duplicate function called GetDNSServers with the same implementation. Removed dupe

Added the following:

- fatcontext # detects nested contexts in loops
- prealloc # suggests to preallocate slices
- perfsprint # avoid using fmt.Sprintf if a faster alternative exists