no concrete method for token.File

[七叶]

demo

package main

import (
	"go/token"
)

type CFG struct {
}

func (g *CFG) Format(fset *token.FileSet) {
}

func main() {
}

no concrete method: func (*sync/atomic.Pointer[go/token.File]).CompareAndSwap(*go/token.File, *go/token.File) bool