perfsprint

Golang linter for performance, aiming at usages of fmt.Sprintf which have faster alternatives.

Installation

go get github.com/catenacyber/perfsprint@latest

Usage

perfsprint --fix ./...

Replacements

fmt.Sprintf("%s", strVal)  ->  strVal
fmt.Sprintf("%t", boolVal) ->  strconv.FormatBool(boolBal)
fmt.Sprintf("%x", hash)    ->  hex.EncodeToString(hash)
fmt.Sprintf("%d", id)      ->  strconv.Itoa(id)
fmt.Sprintf("%v", version) ->  strconv.FormatUint(uint64(version), 10)

More in tests.