| go/constant | Package constant implements Values representing untyped Go constants and their corresponding operations. |
| golang.org/x/tools/go/analysis | Package analysis defines the interface between a modular static analysis and an analysis driver program. |
| honnef.co/go/tools/analysis/callcheck | Package callcheck provides a framework for validating arguments in function calls. |
| honnef.co/go/tools/analysis/lint | Package lint provides abstractions on top of go/analysis. |
| honnef.co/go/tools/internal/passes/buildir | Package buildir defines an Analyzer that constructs the IR of an error-free package and returns the set of all functions within it. |
| net | Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |