From ab920da1167f1ba0c619d7e2a1307fe893a6998d Mon Sep 17 00:00:00 2001
From: Tiago Peczenyj <tpeczenyj@weborama.com>
Date: Fri, 10 Nov 2023 10:12:59 +0100
Subject: [PATCH] try fix join issue

---
 join.go                            | 74 ------------------------------
 join_test.go => join_go120_test.go |  3 ++
 2 files changed, 3 insertions(+), 74 deletions(-)
 delete mode 100644 join.go
 rename join_test.go => join_go120_test.go (90%)

diff --git a/join.go b/join.go
deleted file mode 100644
index e8c8619..0000000
--- a/join.go
+++ /dev/null
@@ -1,74 +0,0 @@
-//go:build !go1.20
-// +build !go1.20
-
-// original code copied from
-// https://github.com/go-faster/errors/blob/main/join.go
-
-package errors
-
-import "unsafe"
-
-// Join returns an error that wraps the given errors.
-// Any nil error values are discarded.
-// Join returns nil if every value in errs is nil.
-// The error formats as the concatenation of the strings obtained
-// by calling the Error method of each element of errs, with a newline
-// between each string.
-//
-// A non-nil error returned by Join implements the Unwrap() []error method.
-func Join(errs ...error) error {
-	n := 0
-	for _, err := range errs {
-		if err != nil {
-			n++
-		}
-	}
-	if n == 0 {
-		return nil
-	}
-	e := &joinError{
-		errs: make([]error, 0, n),
-	}
-	for _, err := range errs {
-		if err != nil {
-			e.errs = append(e.errs, err)
-		}
-	}
-	return e
-}
-
-type joinError struct {
-	errs []error
-}
-
-func (e *joinError) Error() string {
-	// Since Join returns nil if every value in errs is nil,
-	// e.errs cannot be empty.
-	if len(e.errs) == 1 {
-		return e.errs[0].Error()
-	}
-
-	b := []byte(e.errs[0].Error())
-	for _, err := range e.errs[1:] {
-		b = append(b, '\n')
-		b = append(b, err.Error()...)
-	}
-	// At this point, b has at least one byte '\n'.
-	return b2s(b)
-}
-
-func (e *joinError) Unwrap() []error {
-	return e.errs
-}
-
-// b2s converts byte slice to a string without memory allocation.
-// See https://groups.google.com/forum/#!msg/Golang-Nuts/ENgbUzYvCuU/90yGx7GUAgAJ .
-//
-// Note it may break if string and/or slice header will change
-// in the future go versions.
-//
-// original code copied from
-// https://github.com/valyala/fasthttp/blob/master/b2s_old.go
-func b2s(b []byte) string {
-	return *(*string)(unsafe.Pointer(&b))
-}
diff --git a/join_test.go b/join_go120_test.go
similarity index 90%
rename from join_test.go
rename to join_go120_test.go
index a4cefc0..00a6b0f 100644
--- a/join_test.go
+++ b/join_go120_test.go
@@ -1,3 +1,6 @@
+//go:build go1.20
+// +build go1.20
+
 package errors_test
 
 import (