Imports of package mvs

PathSynopsis
cmd/go/internal/goverPackage gover implements support for Go toolchain versions like 1.21.0 and 1.21rc1.
cmd/internal/parPackage par implements parallel execution helpers.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
golang.org/x/mod/modulePackage module defines the module.Version type along with support code.
slicesPackage slices defines various functions useful with slices of any type.
sortPackage sort provides primitives for sorting slices and user-defined collections.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.