index0

boiling0/boiling0.go

@@ -0,0 +1,11 @@
+package main
+
+import "fmt"
+
+const boilingF = 212.0
+
+func main() {
+	var f = boilingF
+	var c = (f - 32) * 5 / 9
+	fmt.Printf("boiling poing = %g°F or %g°C\n", f, c)
+}

boiling1/boiling1.go

@@ -0,0 +1,13 @@
+package main
+
+import "fmt"
+
+func main() {
+
+	const freezingF, boilingF = 32.0, 212.0
+	fmt.Printf("%g°F = %g°C\n", freezingF, fToC(freezingF))
+	fmt.Printf("%g°F = %g°C\n", boilingF, fToC(boilingF))
+}
+func fToC(f float64) float64 {
+	return (f - 32) * 5 / 9
+}

index0/index0.go

@@ -0,0 +1,14 @@
+package main
+
+import "fmt"
+
+func main() {
+	v := 1
+	incr(&v)
+	fmt.Println(incr(&v))
+}
+func incr(p *int) int {
+	*p++
+	fmt.Println(p)
+	return *p
+}