81 function stringConcat (parts) {  argument
84   for (var i = 0; i < parts.length; i++) {
85     var p = parts[i]
96   if (Buffer.isBuffer(parts[0])) {
105 function bufferConcat (parts) {  argument
107   for (var i = 0; i < parts.length; i++) {
108     var p = parts[i]
120 function arrayConcat (parts) {  argument
122   for (var i = 0; i < parts.length; i++) {
123     res.push.apply(res, parts[i])
128 function u8Concat (parts) {  argument
130   for (var i = 0; i < parts.length; i++) {
131     if (typeof parts[i] === 'string') {
132       parts[i] = bufferFrom(parts[i])
134     len += parts[i].length
137   for (var i = 0, offset = 0; i < parts.length; i++) {
138     var part = parts[i]