wastedassign

README

wastedassign

wastedassign finds wasted assignment statements

found the value ...

• reassigned, but never used afterward
• reassigned, but reassigned without using the value

Example

The comment on the right is what this tool reports

func f() int {
	a := 0 
        b := 0
        fmt.Print(a)
        fmt.Print(b)
        a = 1  // This reassignment is wasted, because never used afterwards. Wastedassign find this 

        b = 1  // This reassignment is wasted, because reassigned without use this value. Wastedassign find this 
        b = 2
        fmt.Print(b)
        
	return 1 + 2
}

Installation

go get -u github.com/sanposhiho/wastedassign/cmd/wastedassign

Usage

# in your project

go vet -vettool=`which wastedassign` ./...

And, you can use wastedassign in golangci-lint.

Contribution

I am waiting for your contribution. Feel free to create an issue or a PR!

Run test

go test

Documentation

Index

• Variables

Variables

var Analyzer = &analysis.Analyzer{
	Name: "wastedassign",
	Doc:  doc,
	Run:  run,
	Requires: []*analysis.Analyzer{
		inspect.Analyzer,
	},
}

Analyzer is the wastedassign analyzer.