Imports of package build

PathSynopsis
cuelang.org/go/cue/astPackage ast declares the types used to represent syntax trees for CUE packages.
cuelang.org/go/cue/ast/astutil
cuelang.org/go/cue/errorsPackage errors defines shared types for handling CUE errors.
cuelang.org/go/cue/parserPackage parser implements a parser for CUE source files.
cuelang.org/go/cue/tokenPackage token defines constants representing the lexical tokens of the Go programming language and basic operations on tokens (printing, predicates).
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
pathPackage path implements utility routines for manipulating slash-separated paths.
path/filepathPackage filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths.
slicesPackage slices defines various functions useful with slices of any type.
strconvPackage strconv implements conversions to and from string representations of basic data types.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.
unicodePackage unicode provides data and functions to test some properties of Unicode code points.