arrays

anagramTests := [][2]string{
	{"heart", "earth"},
	{"checklen", "oops"},
	{"heart", "bartch"},
	{"", ""},
}

var actual bool
for _, in := range anagramTests {
	actual = IsAnagramArray(in[0], in[1])

	fmt.Printf("IsAnagramArray of '%s' and '%s' returns %v\n", in[0], in[1], actual)
}

Output:

IsAnagramArray of 'heart' and 'earth' returns true
IsAnagramArray of 'checklen' and 'oops' returns false
IsAnagramArray of 'heart' and 'bartch' returns false
IsAnagramArray of '' and '' returns true

anagramTests := [][2]string{
	{"heart", "earth"},
	{"checklen", "oops"},
	{"heart", "bartch"},
	{"", ""},
}

var actual bool
for _, in := range anagramTests {
	actual = IsAnagramMap(in[0], in[1])

	fmt.Printf("IsAnagramMap of '%s' and '%s' returns %v\n", in[0], in[1], actual)
}

Output:

IsAnagramMap of 'heart' and 'earth' returns true
IsAnagramMap of 'checklen' and 'oops' returns false
IsAnagramMap of 'heart' and 'bartch' returns false
IsAnagramMap of '' and '' returns true

tt := []string{
	"abcd",
	"dcba",
	"aabbcc",
	"ZAaz",
}

var actual bool
for _, in := range tt {
	actual = UniqChars(in)
	fmt.Printf("%s: %v\n", in, actual)
}

Output:

abcd: true
dcba: true
aabbcc: false
ZAaz: true