go/src/internal/trace/version/version.go

type Version …

const Go111 …

const Go119 …

const Go121 …

const Go122 …

const Go123 …

const Current …

var versions …

// Specs returns the set of event.Specs for this version.
func (v Version) Specs() []event.Spec { … }

func (v Version) Valid() bool { … }

const headerFmt …

// ReadHeader reads the version of the trace out of the trace file's
// header, whose prefix must be present in v.
func ReadHeader(r io.Reader) (Version, error) { … }

// WriteHeader writes a header for a trace version v to w.
func WriteHeader(w io.Writer, v Version) (int, error) { … }