// DropGoStmt deletes the go statement from the file.
func (f *WorkFile) DropGoStmt() {
	if f.Go != nil {
		f.Go.Syntax.markRemoved()
		f.Go = nil
	}
}

// DropToolchainStmt deletes the toolchain statement from the file.
func (f *WorkFile) DropToolchainStmt() {
	if f.Toolchain != nil {
		f.Toolchain.Syntax.markRemoved()
		f.Toolchain = nil
	}
}

// AddGodebug sets the first godebug line for key to value,

		workFile.DropGoStmt()
	} else if *editGo != "" {
		if err := workFile.AddGoStmt(*editGo); err != nil {
			base.Fatalf("go: internal error: %v", err)
		}
	}
	if *editToolchain == "none" {
		workFile.DropToolchainStmt()
	} else if *editToolchain != "" {
		if err := workFile.AddToolchainStmt(*editToolchain); err != nil {
			base.Fatalf("go: internal error: %v", err)
		}
	}

	if len(workedits) > 0 {

		modFile.DropGoStmt()
	} else if *editGo != "" {
		if err := modFile.AddGoStmt(*editGo); err != nil {
			base.Fatalf("go: internal error: %v", err)
		}
	}
	if *editToolchain == "none" {
		modFile.DropToolchainStmt()
	} else if *editToolchain != "" {
		if err := modFile.AddToolchainStmt(*editToolchain); err != nil {
			base.Fatalf("go: internal error: %v", err)
		}
	}

	if len(edits) > 0 {

// DropGoStmt deletes the go statement from the file.
func (f *File) DropGoStmt() {
	if f.Go != nil {
		f.Go.Syntax.markRemoved()
		f.Go = nil
	}
}

// DropToolchainStmt deletes the toolchain statement from the file.
func (f *File) DropToolchainStmt() {
	if f.Toolchain != nil {
		f.Toolchain.Syntax.markRemoved()
		f.Toolchain = nil
	}
}

func (f *File) AddToolchainStmt(name string) error {

	// or if it is asking for a toolchain older than Go 1.21,
	// which will not understand the toolchain line.
	if toolchain == "go"+goVers || gover.Compare(gover.FromToolchain(toolchain), gover.GoStrictVersion) < 0 {
		wf.DropToolchainStmt()
	} else {
		wf.AddToolchainStmt(toolchain)
	}
	return true
}

// UpdateWorkFile updates comments on directory directives in the go.work
// file to include the associated module path.