go 1.19 -> 1.22 now that Debian(Trixie) has moved out of the dark ages

markdingo · markdingo · commit 887cbe3e49ca · 2025-08-11T11:31:38.000+10:00
diff --git a/README.md b/README.md
@@ -54,7 +54,7 @@ Typical questions `fad` is designed to answer are:
 [![codecov](https://codecov.io/gh/markdingo/fad/branch/main/graph/badge.svg)](https://codecov.io/gh/markdingo/fad)
 [![Go Report Card](https://goreportcard.com/badge/github.com/markdingo/fad)](https://goreportcard.com/report/github.com/markdingo/fad)
 
-`fad` is known to run on FreeBSD, macOS, Linux and Windows and requires go 1.19 or later.
+`fad` is known to run on FreeBSD, macOS, Linux and Windows and requires go 1.22 or later.
 
 ## Installation
 
diff --git a/concurrency.go b/concurrency.go
@@ -56,7 +56,7 @@ func newConcurrencyController(limit int) *concurrencyController {
 	cc := &concurrencyController{limit: limit, minimum: limit,
 		tokens: make(chan concurrencyToken, limit)}
 
-	for ; limit > 0; limit-- { // With go 1.22, change to "for range limit"
+	for range limit {
 		cc.tokens <- concurrencyToken{}
 	}
 
diff --git a/concurrency_test.go b/concurrency_test.go
@@ -30,7 +30,7 @@ func TestConcurrency(t *testing.T) {
 		t.Error("New controller has wrong capacity of", cap(cc.tokens), "expected", limit)
 	}
 
-	for ix := 0; ix < limit*multiplier; ix++ { // go 1.22 for ix := range limit*multiplier
+	for ix := range limit * multiplier {
 		wg.Add(1)
 		go func(myx int) {
 			cc.start()
diff --git a/go.mod b/go.mod
@@ -1,3 +1,3 @@
 module github.com/markdingo/fad
 
-go 1.19
+go 1.22
diff --git a/version.go b/version.go

Original file line number	Diff line number	Diff line change
`@@ -56,7 +56,7 @@ func newConcurrencyController(limit int) *concurrencyController {`
`56`	`56`	`cc := &concurrencyController{limit: limit, minimum: limit,`
`57`	`57`	`tokens: make(chan concurrencyToken, limit)}`
`58`	`58`
`59`		`- for ; limit > 0; limit-- { // With go 1.22, change to "for range limit"`
	`59`	`+ for range limit {`
`60`	`60`	`cc.tokens <- concurrencyToken{}`
`61`	`61`	`}`
`62`	`62`
Original file line number	Diff line number	Diff line change
`@@ -30,7 +30,7 @@ func TestConcurrency(t *testing.T) {`
`30`	`30`	`t.Error("New controller has wrong capacity of", cap(cc.tokens), "expected", limit)`
`31`	`31`	`}`
`32`	`32`
`33`		`- for ix := 0; ix < limitmultiplier; ix++ { // go 1.22 for ix := range limitmultiplier`
	`33`	`+ for ix := range limit * multiplier {`
`34`	`34`	`wg.Add(1)`
`35`	`35`	`go func(myx int) {`
`36`	`36`	`cc.start()`
Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,3 @@`
`1`	`1`	`module github.com/markdingo/fad`
`2`	`2`
`3`		`-go 1.19`
	`3`	`+go 1.22`