slog

type Entry struct {
	// A severity as string.
	Severity string `json:"severity"`
	// Optional. Resource name of the trace associated with the log entry, if any.
	// If it contains a relative resource name, the name is assumed to be relative to //tracing.googleapis.com.
	// Example: projects/my-projectid/traces/06796866738c859f2f19b7cfb3214824
	Trace string `json:"logging.googleapis.com/trace,omitempty"`
	// Optional. The span ID within the trace associated with the log entry.
	// For Trace spans, this is the same format that the Trace API v2 uses: a 16-character hexadecimal encoding
	// of an 8-byte array, such as 000000000000004a.
	SpanID string `json:"logging.googleapis.com/spanId,omitempty"`
	// Optional. Source code location information associated with the log entry, if any.
	SourceLocation *SourceLocation `json:"logging.googleapis.com/sourceLocation,omitempty"`
	// The log entry payload, represented as a Unicode string (UTF-8).
	Message string `json:"message"`
}

type Option func()

type Severity uint32

type SourceLocation struct {
	// Optional. Source file name. Depending on the runtime environment,
	// this might be a simple name or a fully-qualified name.
	File string `json:"file,omitempty"`
	// Optional. Line within the source file. 1-based; 0 indicates no line number available.
	Line int64 `json:"line,omitempty"`
	// Optional. Human-readable name of the function or method being invoked,
	// with optional context such as the class or package name.
	// This information may be used in contexts such as the logs viewer,
	// where a file and line number are less meaningful. The format can vary by language.
	// For example: qual.if.ied.Class.method (Java), dir/package.func (Go), function (Python).
	Function string `json:"function,omitempty"`
}