gotools/go/analysis/passes/deepequalerrors/deepequalerrors.go

const Doc …

var Analyzer …

func run(pass *analysis.Pass) (interface{ … }

var errorType …

// hasError reports whether the type of e contains the type error.
// See containsError, below, for the meaning of "contains".
func hasError(pass *analysis.Pass, e ast.Expr) bool { … }

// Report whether any type that typ could store and that could be compared is the
// error type. This includes typ itself, as well as the types of struct field, slice
// and array elements, map keys and elements, and pointers. It does not include
// channel types (incomparable), arg and result types of a Signature (not stored), or
// methods of a named or interface type (not stored).
func containsError(typ types.Type) bool { … }