pkg math/rand, method (*Rand) Perm(int) []int
pkg math/rand, method (*Rand) Seed(int64)
pkg math/rand, method (*Rand) Uint32() uint32
pkg math/rand, method (*Zipf) Uint64() uint64
pkg math/rand, type Rand struct
pkg math/rand, type Source interface { Int63, Seed }
pkg math/rand, type Source interface, Int63() int64
pkg math/rand, type Source interface, Seed(int64)
pkg math/rand, type Zipf struct

pkg go/ast, const FilterImportDuplicates = 4
pkg go/ast, const FilterUnassociatedComments = 2
pkg go/ast, const Fun = 5
pkg go/ast, const Lbl = 6
pkg go/ast, const Pkg = 1
pkg go/ast, const RECV = 2
pkg go/ast, const SEND = 1
pkg go/ast, const Typ = 3
pkg go/ast, const Var = 4
pkg go/ast, func NewCommentMap(*token.FileSet, Node, []*CommentGroup) CommentMap
pkg go/ast, method (CommentMap) Comments() []*CommentGroup