fix: use proper go version in module file (#12)

internal/errutil/errutil.go

@@ -0,0 +1,65 @@
+package errutil
+
+import (
+	"io"
+	"os"
+
+	"github.com/fatih/color"
+)
+
+func Ignore[T any](val T, _ error) T {
+	return val
+}
+
+func IgnoreErr(_ error) {}
+
+func Close(c io.Closer) {
+	if c != nil {
+		_ = c.Close()
+	}
+}
+
+// color.Color wrappers - these discard the (int, error) return values
+
+func Print(c *color.Color, a ...any) {
+	_, _ = c.Print(a...)
+}
+
+func Println(c *color.Color, a ...any) {
+	_, _ = c.Println(a...)
+}
+
+func Printf(c *color.Color, format string, a ...any) {
+	_, _ = c.Printf(format, a...)
+}
+
+func Fprintf(c *color.Color, w io.Writer, format string, a ...any) {
+	_, _ = c.Fprintf(w, format, a...)
+}
+
+// os function wrappers for test cleanup where errors are non-critical
+
+func Setenv(key, value string) {
+	_ = os.Setenv(key, value)
+}
+
+func Unsetenv(key string) {
+	_ = os.Unsetenv(key)
+}
+
+func Remove(name string) {
+	_ = os.Remove(name)
+}
+
+func RemoveAll(path string) {
+	_ = os.RemoveAll(path)
+}
+
+// Flush calls Flush on a tabwriter and discards the error
+type Flusher interface {
+	Flush() error
+}
+
+func Flush(f Flusher) {
+	_ = f.Flush()
+}