The gopackages command is a diagnostic tool that demonstrates how to use golang.org/x/tools/go/packages to load, parse, type-check, and print one or more Go packages.

Load loads and returns the Go packages named by the given patterns.

LoadAllSyntax adds typed syntax trees for the packages matching the patterns and all dependencies.

LoadFiles finds the packages and computes their source file lists.

LoadImports adds import information for each package and its dependencies.

LoadSyntax adds typed syntax trees for the packages matching the patterns.

LoadTypes adds type information for package-level declarations in the packages matching the patterns.

An Config specifies details about how packages should be loaded.

A Package describes a loaded Go package.

A LoadMode specifies the amount of detail to return when loading.