[CI] Add more checks (#43)
This commit is contained in:
konrad
15
vendor/honnef.co/go/tools/cmd/gosimple/README.md
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vendor/honnef.co/go/tools/cmd/gosimple/README.md
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# gosimple
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_gosimple_ is a linter for Go source code that specialises on
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simplifying code.
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## Installation
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Gosimple requires Go 1.6 or later.
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go get honnef.co/go/tools/cmd/gosimple
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## Documentation
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Detailed documentation can be found on
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[staticcheck.io](https://staticcheck.io/docs/gosimple).
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vendor/honnef.co/go/tools/cmd/gosimple/gosimple.go
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vendor/honnef.co/go/tools/cmd/gosimple/gosimple.go
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// gosimple detects code that could be rewritten in a simpler way.
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package main // import "honnef.co/go/tools/cmd/gosimple"
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import (
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"os"
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"honnef.co/go/tools/lint/lintutil"
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"honnef.co/go/tools/simple"
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)
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func main() {
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fs := lintutil.FlagSet("gosimple")
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gen := fs.Bool("generated", false, "Check generated code")
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fs.Parse(os.Args[1:])
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c := simple.NewChecker()
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c.CheckGenerated = *gen
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cfg := lintutil.CheckerConfig{
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Checker: c,
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ExitNonZero: true,
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}
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lintutil.ProcessFlagSet([]lintutil.CheckerConfig{cfg}, fs)
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}
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131
vendor/honnef.co/go/tools/cmd/unused/README.md
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vendor/honnef.co/go/tools/cmd/unused/README.md
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# unused
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_unused_ checks Go code for unused constants, variables, functions and
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types.
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## Install
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go get honnef.co/go/tools/cmd/unused
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## Usage
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unused -help
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## Usage Tips
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- When running _unused_ on multiple packages, it will first try to
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check them all at once, because that's faster. If any of the
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packages don't compile, however, _unused_ will check each package
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individually.
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The first step can, depending on the number of packages, use a lot
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of memory. For the entire standard library, it uses roughly 800 MB.
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For a GOPATH with thousands of packages, it can quickly use several
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gigabytes. If that is an issue, consider using something like this
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instead:
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```
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for pkg in $(go list your_selection); do unused "$pkg"; done
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```
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This will effectively skip the first step and always check every
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package individually.
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## What counts as used/unused?
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_unused_ checks for unused constants, functions, types and optionally
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struct fields. They will be considered used or unused under the
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following conditions:
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- Unexported package-level objects will be reported as unused if there
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are no explicit references to them.
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- Unexported methods will be reported as unused if there are no
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explicit references to them and if they don't implement any
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interfaces.
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- The `main` function is considered as used if it's in the `main`
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package.
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- `init` functions are always considered as used.
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- Exported objects in function scope are treated like unexported
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objects.
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- Exported functions in tests are treated like unexported functions,
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unless they're test, benchmark or example functions.
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- Struct fields will be considered as unused if there are no explicit
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references to them. Unkeyed composite literals with >=1 elements
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mark all fields of the struct as used.
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- Neither the checks for methods nor for struct fields are aware of
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the reflect package and may thus produce false positives.
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## Whole program analysis
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Optionally via the `-exported` flag, _unused_ can analyse all
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arguments as a single program and report unused exported identifiers.
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This can be useful for checking "internal" packages, or large software
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projects that do not export an API to the public, but use exported
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methods between components.
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Do note that in the whole-program analysis, all arguments must
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type-check. It is not possible to check packages individually in this
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mode.
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## Examples
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```
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$ time unused cmd/go
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/usr/lib/go/src/cmd/go/build.go:1327:6: func hasString is unused
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/usr/lib/go/src/cmd/go/build.go:2328:6: func toolVerify is unused
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/usr/lib/go/src/cmd/go/generate.go:375:21: func identLength is unused
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/usr/lib/go/src/cmd/go/get.go:474:5: var goTag is unused
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/usr/lib/go/src/cmd/go/get.go:513:6: func cmpGoVersion is unused
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/usr/lib/go/src/cmd/go/go_test.go:426:23: func grepCountStdout is unused
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/usr/lib/go/src/cmd/go/go_test.go:432:23: func grepCountStderr is unused
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/usr/lib/go/src/cmd/go/main.go:406:5: var logf is unused
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/usr/lib/go/src/cmd/go/main.go:431:6: func runOut is unused
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/usr/lib/go/src/cmd/go/pkg.go:91:2: field forceBuild is unused
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/usr/lib/go/src/cmd/go/pkg.go:688:2: const toRoot is unused
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/usr/lib/go/src/cmd/go/testflag.go:278:6: func setIntFlag is unused
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unused cmd/go 3.33s user 0.25s system 447% cpu 0.799 total
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```
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```
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$ time unused $(go list github.com/prometheus/prometheus/... | grep -v /vendor/)
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/home/dominikh/prj/src/github.com/prometheus/prometheus/promql/engine_test.go:11:5: var noop is unused
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/home/dominikh/prj/src/github.com/prometheus/prometheus/retrieval/discovery/dns.go:39:2: const interval is unused
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/home/dominikh/prj/src/github.com/prometheus/prometheus/retrieval/discovery/dns.go:69:2: field m is unused
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/home/dominikh/prj/src/github.com/prometheus/prometheus/retrieval/discovery/nerve.go:31:2: const nerveNodePrefix is unused
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/home/dominikh/prj/src/github.com/prometheus/prometheus/retrieval/discovery/serverset.go:33:2: const serversetNodePrefix is unused
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/home/dominikh/prj/src/github.com/prometheus/prometheus/retrieval/scrape.go:41:2: const ingestedSamplesCap is unused
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/home/dominikh/prj/src/github.com/prometheus/prometheus/retrieval/scrape.go:49:2: var errSkippedScrape is unused
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/home/dominikh/prj/src/github.com/prometheus/prometheus/retrieval/targetmanager.go:184:2: field providers is unused
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/home/dominikh/prj/src/github.com/prometheus/prometheus/storage/local/delta.go:394:2: field error is unused
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/home/dominikh/prj/src/github.com/prometheus/prometheus/storage/local/delta.go:398:3: field error is unused
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/home/dominikh/prj/src/github.com/prometheus/prometheus/storage/local/doubledelta.go:500:2: field error is unused
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/home/dominikh/prj/src/github.com/prometheus/prometheus/storage/local/doubledelta.go:504:3: field error is unused
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/home/dominikh/prj/src/github.com/prometheus/prometheus/storage/remote/opentsdb/client.go:40:2: var illegalCharsRE is unused
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/home/dominikh/prj/src/github.com/prometheus/prometheus/util/stats/timer.go:56:2: field child is unused
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/home/dominikh/prj/src/github.com/prometheus/prometheus/util/treecache/treecache.go:25:2: field zkEvents is unused
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unused $(go list github.com/prometheus/prometheus/... | grep -v /vendor/) 5.70s user 0.43s system 535% cpu 1.142 total
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```
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```
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$ time unused -exported github.com/kr/pretty/...
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/home/dominikh/prj/src/github.com/kr/pretty/formatter.go:14:2: const limit is unused
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/home/dominikh/prj/src/github.com/kr/pretty/formatter.go:322:6: func tryDeepEqual is unused
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/home/dominikh/prj/src/github.com/kr/pretty/pretty.go:20:6: func Errorf is unused
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/home/dominikh/prj/src/github.com/kr/pretty/pretty.go:28:6: func Fprintf is unused
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/home/dominikh/prj/src/github.com/kr/pretty/pretty.go:37:6: func Log is unused
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/home/dominikh/prj/src/github.com/kr/pretty/pretty.go:45:6: func Logf is unused
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/home/dominikh/prj/src/github.com/kr/pretty/pretty.go:54:6: func Logln is unused
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/home/dominikh/prj/src/github.com/kr/pretty/pretty.go:63:6: func Print is unused
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/home/dominikh/prj/src/github.com/kr/pretty/pretty.go:71:6: func Printf is unused
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/home/dominikh/prj/src/github.com/kr/pretty/pretty.go:80:6: func Println is unused
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/home/dominikh/prj/src/github.com/kr/pretty/pretty.go:88:6: func Sprintf is unused
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/home/dominikh/prj/src/github.com/kr/pretty/pretty.go:92:6: func wrap is unused
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unused -exported github.com/kr/pretty/... 1.23s user 0.19s system 253% cpu 0.558 total
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```
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78
vendor/honnef.co/go/tools/cmd/unused/main.go
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vendor/honnef.co/go/tools/cmd/unused/main.go
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// unused reports unused identifiers (types, functions, ...) in your
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// code.
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package main // import "honnef.co/go/tools/cmd/unused"
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import (
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"log"
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"os"
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"honnef.co/go/tools/lint/lintutil"
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"honnef.co/go/tools/unused"
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)
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var (
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fConstants bool
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fFields bool
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fFunctions bool
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fTypes bool
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fVariables bool
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fDebug string
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fWholeProgram bool
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fReflection bool
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)
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func newChecker(mode unused.CheckMode) *unused.Checker {
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checker := unused.NewChecker(mode)
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if fDebug != "" {
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debug, err := os.Create(fDebug)
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if err != nil {
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log.Fatal("couldn't open debug file:", err)
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}
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checker.Debug = debug
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}
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checker.WholeProgram = fWholeProgram
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checker.ConsiderReflection = fReflection
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return checker
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}
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func main() {
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log.SetFlags(0)
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fs := lintutil.FlagSet("unused")
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fs.BoolVar(&fConstants, "consts", true, "Report unused constants")
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fs.BoolVar(&fFields, "fields", true, "Report unused fields")
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fs.BoolVar(&fFunctions, "funcs", true, "Report unused functions and methods")
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fs.BoolVar(&fTypes, "types", true, "Report unused types")
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fs.BoolVar(&fVariables, "vars", true, "Report unused variables")
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fs.StringVar(&fDebug, "debug", "", "Write a debug graph to `file`. Existing files will be overwritten.")
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fs.BoolVar(&fWholeProgram, "exported", false, "Treat arguments as a program and report unused exported identifiers")
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fs.BoolVar(&fReflection, "reflect", true, "Consider identifiers as used when it's likely they'll be accessed via reflection")
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fs.Parse(os.Args[1:])
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var mode unused.CheckMode
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if fConstants {
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mode |= unused.CheckConstants
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}
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if fFields {
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mode |= unused.CheckFields
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}
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if fFunctions {
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mode |= unused.CheckFunctions
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}
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if fTypes {
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mode |= unused.CheckTypes
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}
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if fVariables {
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mode |= unused.CheckVariables
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}
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checker := newChecker(mode)
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l := unused.NewLintChecker(checker)
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cfg := lintutil.CheckerConfig{
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Checker: l,
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ExitNonZero: true,
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}
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lintutil.ProcessFlagSet([]lintutil.CheckerConfig{cfg}, fs)
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}
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