typeswitch

README

typeswitch

typeswitch finds a type which implement an interfaces which are used in type-switch but the type does not appear in any cases of the type-switch.

package main

type I interface{ F() }
type A struct{I} // implements I
type B struct{I} // implements I

func main() {
	var i I = A{}
	switch i.(type) {
	case A:
	}
}

$go vet -vettool=`which typeswitch` main.go
./main.go:9:2: type B does not appear in any cases

Documentation

Index

• Constants
• Variables

Constants

const Doc = "" /* 144-byte string literal not displayed */

Variables

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