Package unusedwrite

Constants

Doc is a documentation string.

const Doc = `checks for unused writes

The analyzer reports instances of writes to struct fields and
arrays that are never read. Specifically, when a struct object
or an array is copied, its elements are copied implicitly by
the compiler, and any element write to this copy does nothing
with the original object.

For example:

    type T struct { x int }
    func f(input []T) {
        for i, v := range input {  // v is a copy
            v.x = i  // unused write to field x
        }
    }

Another example is about non-pointer receiver:

    type T struct { x int }
    func (t T) f() {  // t is a copy
        t.x = i  // unused write to field x
    }
`

Variables

Analyzer reports instances of writes to struct fields and arrays that are never read.

var Analyzer = &analysis.Analyzer{
    Name:     "unusedwrite",
    Doc:      Doc,
    Requires: []*analysis.Analyzer{buildssa.Analyzer},
    Run:      run,
}