strings: update Join parameter name for clarity
Change-Id: I83f806e76ef4d268b187bd273d78ceb41b7e8fa5
GitHub-Last-Rev: ee82eaae64536cecb631df328aafe2541f71d3f2
GitHub-Pull-Request: golang/go#36194
Reviewed-on: https://go-review.googlesource.com/c/go/+/211799
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
diff --git a/src/strings/strings.go b/src/strings/strings.go
index 69f51b6..238d657 100644
--- a/src/strings/strings.go
+++ b/src/strings/strings.go
@@ -420,24 +420,24 @@
return a
}
-// Join concatenates the elements of a to create a single string. The separator string
-// sep is placed between elements in the resulting string.
-func Join(a []string, sep string) string {
- switch len(a) {
+// Join concatenates the elements of its first argument to create a single string. The separator
+// string sep is placed between elements in the resulting string.
+func Join(elems []string, sep string) string {
+ switch len(elems) {
case 0:
return ""
case 1:
- return a[0]
+ return elems[0]
}
- n := len(sep) * (len(a) - 1)
- for i := 0; i < len(a); i++ {
- n += len(a[i])
+ n := len(sep) * (len(elems) - 1)
+ for i := 0; i < len(elems); i++ {
+ n += len(elems[i])
}
var b Builder
b.Grow(n)
- b.WriteString(a[0])
- for _, s := range a[1:] {
+ b.WriteString(elems[0])
+ for _, s := range elems[1:] {
b.WriteString(sep)
b.WriteString(s)
}
