log/field.go
func Bool(key string, val bool) Field {
	var numericVal int64
	if val {
		numericVal = 1
	}
	return Field{
		key:        key,
		fieldType:  boolType,
		numericVal: numericVal,
	}
}
func Bool(key string, val bool) Field {
	var numericVal int64
	if val {
		numericVal = 1
	}
	return Field{
		key:        key,
		fieldType:  boolType,
		numericVal: numericVal,
	}
}
func Bool ( key string , val bool ) Field { var numericVal int64 if val { numericVal = 1 } return Field { key : key , fieldType : boolType , numericVal : numericVal , } }
// Bool adds a bool-valued key:value pair to a Span.LogFields() record
Bool adds a bool - valued key : value pair to a Span . LogFields () record