Package constraint implements parsing and evaluation of build constraint lines.

Package constant implements Values representing untyped Go constants and their corresponding operations.

Package doc extracts source code documentation from a Go AST.

Package comment implements parsing and reformatting of Go doc comments, (documentation comments), which are comments that immediately precede a top-level declaration of a package, const, func, type, or var.

Package format implements standard formatting of Go source.

Package importer provides access to export data importers.

Package parser implements a parser for Go source files.

Package printer implements printing of AST nodes.

Package scanner implements a scanner for Go source text.

Package token defines constants representing the lexical tokens of the Go programming language and basic operations on tokens (printing, predicates).