chore: Bump up to Go 1.19, minimum 1.18 (#4925)

3 files changed, 14 insertions, 14 deletions

diff --git a/modules/caddyhttp/map/caddyfile.go b/modules/caddyhttp/map/caddyfile.go
index f1ee46802..f38aff78b 100644
--- a/modules/caddyhttp/map/caddyfile.go
+++ b/modules/caddyhttp/map/caddyfile.go
@@ -78,7 +78,7 @@ func parseCaddyfile(h httpcaddyfile.Helper) (caddyhttp.MiddlewareHandler, error)
 
 			// every other line maps one input to one or more outputs
 			in := h.Val()
-			var outs []interface{}
+			var outs []any
 			for h.NextArg() {
 				val := h.ScalarVal()
 				if val == "-" {
diff --git a/modules/caddyhttp/map/map.go b/modules/caddyhttp/map/map.go
index 0a27aab8e..bbc1249d1 100644
--- a/modules/caddyhttp/map/map.go
+++ b/modules/caddyhttp/map/map.go
@@ -119,7 +119,7 @@ func (h Handler) ServeHTTP(w http.ResponseWriter, r *http.Request, next caddyhtt
 	repl := r.Context().Value(caddy.ReplacerCtxKey).(*caddy.Replacer)
 
 	// defer work until a variable is actually evaluated by using replacer's Map callback
-	repl.Map(func(key string) (interface{}, bool) {
+	repl.Map(func(key string) (any, bool) {
 		// return early if the variable is not even a configured destination
 		destIdx := h.destinationIndex(key)
 		if destIdx < 0 {
@@ -187,7 +187,7 @@ type Mapping struct {
 	// Upon a match with the input, each output is positionally correlated
 	// with each destination of the parent handler. An output that is null
 	// (nil) will be treated as if it was not mapped at all.
-	Outputs []interface{} `json:"outputs,omitempty"`
+	Outputs []any `json:"outputs,omitempty"`
 
 	re *regexp.Regexp
 }
diff --git a/modules/caddyhttp/map/map_test.go b/modules/caddyhttp/map/map_test.go
index 26d6e85e2..fe233bf2b 100644
--- a/modules/caddyhttp/map/map_test.go
+++ b/modules/caddyhttp/map/map_test.go
@@ -15,7 +15,7 @@ func TestHandler(t *testing.T) {
 	for i, tc := range []struct {
 		handler Handler
 		reqURI  string
-		expect  map[string]interface{}
+		expect  map[string]any
 	}{
 		{
 			reqURI: "/foo",
@@ -25,11 +25,11 @@ func TestHandler(t *testing.T) {
 				Mappings: []Mapping{
 					{
 						Input:   "/foo",
-						Outputs: []interface{}{"FOO"},
+						Outputs: []any{"FOO"},
 					},
 				},
 			},
-			expect: map[string]interface{}{
+			expect: map[string]any{
 				"output": "FOO",
 			},
 		},
@@ -41,11 +41,11 @@ func TestHandler(t *testing.T) {
 				Mappings: []Mapping{
 					{
 						InputRegexp: "(/abc)",
-						Outputs:     []interface{}{"ABC"},
+						Outputs:     []any{"ABC"},
 					},
 				},
 			},
-			expect: map[string]interface{}{
+			expect: map[string]any{
 				"output": "ABC",
 			},
 		},
@@ -57,11 +57,11 @@ func TestHandler(t *testing.T) {
 				Mappings: []Mapping{
 					{
 						InputRegexp: "(xyz)",
-						Outputs:     []interface{}{"...${1}..."},
+						Outputs:     []any{"...${1}..."},
 					},
 				},
 			},
-			expect: map[string]interface{}{
+			expect: map[string]any{
 				"output": "...xyz...",
 			},
 		},
@@ -74,11 +74,11 @@ func TestHandler(t *testing.T) {
 				Mappings: []Mapping{
 					{
 						InputRegexp: "(?i)(\\^|`|<|>|%|\\\\|\\{|\\}|\\|)",
-						Outputs:     []interface{}{"3"},
+						Outputs:     []any{"3"},
 					},
 				},
 			},
-			expect: map[string]interface{}{
+			expect: map[string]any{
 				"output": "3",
 			},
 		},
@@ -90,11 +90,11 @@ func TestHandler(t *testing.T) {
 				Mappings: []Mapping{
 					{
 						Input:   "/foo",
-						Outputs: []interface{}{"{testvar}"},
+						Outputs: []any{"{testvar}"},
 					},
 				},
 			},
-			expect: map[string]interface{}{
+			expect: map[string]any{
 				"output": "testing",
 			},
 		},