go work edit -go 1.18
cmp go.work go.work.want_go_118

go work edit -dropuse m
cmp go.work go.work.want_dropuse_m

go work edit -replace=x.1@v1.3.0=y.1@v1.4.0 -replace='x.1@v1.4.0 = ../z'
cmp go.work go.work.want_add_replaces

go work edit -use n -use ../a -use /b -use c -use c
cmp go.work go.work.want_multiuse

go work edit -dropuse /b -dropuse n
cmp go.work go.work.want_multidropuse

go work edit -dropreplace='x.1@v1.4.0'

			base.Fatalf("go: -use=%s: %v", arg, err)
		}
	})
}

// flagEditworkDropUse implements the -dropuse flag.
func flagEditworkDropUse(arg string) {
	workedits = append(workedits, func(f *modfile.WorkFile) {
		if err := f.DropUse(modload.ToDirectoryPath(arg)); err != nil {
			base.Fatalf("go: -dropdirectory=%s: %v", arg, err)
		}
	})
}

		}
	}

	// TODO(#45713): Add module path to comment.

	for diskPath, modulePath := range need {
		f.AddNewUse(diskPath, modulePath)
	}
	f.SortBlocks()
}

func (f *WorkFile) DropUse(path string) error {
	for _, d := range f.Use {
		if d.Path == path {
			d.Syntax.markRemoved()
			*d = Use{}
		}
	}
	return nil
}

// replacing any existing godebug lines with the given key.
//
// The -dropgodebug=key flag drops any existing godebug lines
// with the given key.
//
// The -use=path and -dropuse=path flags
// add and drop a use directive from the go.work file's set of module directories.
//
// The -replace=old[@v]=new[@v] flag adds a replacement of the given

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* To help [translate the documentation](contributing.md#translations){.internal-link target=_blank} to your language.
    * You can also help to review the translations created by others.
* To propose new documentation sections.
* To fix an existing issue/bug.
    * Make sure to add tests.
* To add a new feature.
    * Make sure to add tests.
    * Make sure to add documentation if it's relevant.

		typ = sig
	} else {
		// Don't store a (typed) nil *Signature.
		// We can't simply replace it with new(Signature) either,
		// as this would violate object.{Type,color} invariants.
		// TODO(adonovan): propose to disallow NewFunc with nil *Signature.
	}
	return &Func{object{nil, pos, pkg, name, typ, 0, colorFor(typ), nopos}, false, nil}
}

// Signature returns the signature (type) of the function or method.

		typ = sig
	} else {
		// Don't store a (typed) nil *Signature.
		// We can't simply replace it with new(Signature) either,
		// as this would violate object.{Type,color} invariants.
		// TODO(adonovan): propose to disallow NewFunc with nil *Signature.
	}
	return &Func{object{nil, pos, pkg, name, typ, 0, colorFor(typ), nopos}, false, nil}
}

// Signature returns the signature (type) of the function or method.