Readers

3methods/readers.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"strings"
+)
+
+func main() {
+	fmt.Println("the io package specifies io.Reader interface, which represents the end of a stream of data")
+
+	r := strings.NewReader("📩⍼ ꜜx Hello, Your Computer has virus .d")
+	// specifies new Reader
+
+	b := make([]byte, 4)
+	// think this like a bucket for temporary inputs
+
+	for {
+		n, err := r.Read(b)
+		// Read gets Reader (r) and gets next b byte in it
+		// returns n (number of bytes populated)
+		// and err (error, EOF for example)
+
+		fmt.Println(n, err, b)
+		fmt.Println(b[:n])
+		fmt.Printf("%s\n\n", b[:n])
+
+		if err == io.EOF {
+			break
+		}
+	}
+}