good good study, day day up!

vendor/gopl.io/ch2/boiling/main.go

@@ -0,0 +1,22 @@
+// Copyright © 2016 Alan A. A. Donovan & Brian W. Kernighan.
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+
+// See page 29.
+//!+
+
+// Boiling prints the boiling point of water.
+package main
+
+import "fmt"
+
+const boilingF = 212.0
+
+func main() {
+	var f = boilingF
+	var c = (f - 32) * 5 / 9
+	fmt.Printf("boiling point = %g°F or %g°C\n", f, c)
+	// Output:
+	// boiling point = 212°F or 100°C
+}
+
+//!-