Imports of package typecheck

PathSynopsis
cmd/compile/internal/base
cmd/compile/internal/ir
cmd/compile/internal/types
cmd/internal/obj
cmd/internal/src
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
go/constantPackage constant implements Values representing untyped Go constants and their corresponding operations.
go/tokenPackage token defines constants representing the lexical tokens of the Go programming language and basic operations on tokens (printing, predicates).
internal/types/errors
mathPackage math provides basic constants and mathematical functions.
math/bigPackage big implements arbitrary-precision arithmetic (big numbers).
slicesPackage slices defines various functions useful with slices of any type.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.
unicodePackage unicode provides data and functions to test some properties of Unicode code points.