50 lines
1.6 KiB
Markdown
50 lines
1.6 KiB
Markdown
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# goconst
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Find repeated strings that could be replaced by a constant.
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### Motivation
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There are obvious benefits to using constants instead of repeating strings, mostly to ease maintenance. Cannot argue against changing a single constant versus many strings.
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While this could be considered a beginner mistake, across time, multiple packages and large codebases, some repetition could have slipped in.
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### Get Started
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$ go get github.com/jgautheron/goconst/cmd/goconst
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$ goconst ./...
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### Usage
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```
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Usage:
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goconst ARGS <directory>
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Flags:
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-ignore exclude files matching the given regular expression
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-ignore-tests exclude tests from the search (default: true)
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-min-occurrences report from how many occurrences (default: 2)
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-min-length only report strings with the minimum given length (default: 3)
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-match-constant look for existing constants matching the values
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-numbers search also for duplicated numbers
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-min minimum value, only works with -numbers
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-max maximum value, only works with -numbers
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-output output formatting (text or json)
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Examples:
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goconst ./...
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goconst -ignore "yacc|\.pb\." $GOPATH/src/github.com/cockroachdb/cockroach/...
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goconst -min-occurrences 3 -output json $GOPATH/src/github.com/cockroachdb/cockroach
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goconst -numbers -min 60 -max 512 .
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```
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### Other static analysis tools
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- [gogetimports](https://github.com/jgautheron/gogetimports): Get a JSON-formatted list of imports.
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- [usedexports](https://github.com/jgautheron/usedexports): Find exported variables that could be unexported.
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### License
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MIT
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