2022-12-03

chapter-2/05_naming_variables_constants.go

@@ -0,0 +1,30 @@
+// any unicode letter/number is valid for names in go - don't use them
+
+// snake_case is rarely used, use camelCase
+
+// prefer shorter names, k,v for key,value in for loops etc
+
+// if using single letter var names, you can follow the type. E.g i for int, b for bool
+
+// when naming vars/consts in the package level, favour more descriptive names
+// !!! the smaller the scope of the variable, the shorter the name !!!
+
+package main
+
+import "fmt"
+
+func main() {
+	_0 := 0_0
+	_ᔜ := 20
+	π := 3
+	ａ := "hello" // Unicode U+FF41
+	fmt.Println(_0)
+	fmt.Println(_ᔜ)
+	fmt.Println(π)
+	fmt.Println(ａ)
+
+	ａ = "hello"    // Unicode U+FF41
+	a := "goodbye" // standard lowercase a (Unicode U+0061)
+	fmt.Println(ａ)
+	fmt.Println(a)
+}