Ignore also float representations of 1 and 0, fixes #17

config/config.go

@@ -18,8 +18,10 @@ func DefaultConfig() *Config {
 	return &Config{
 		Checks: map[string]bool{},
 		IgnoredNumbers: map[string]struct{}{
-			"0": {},
-			"1": {},
+			"0":   {},
+			"0.0": {},
+			"1":   {},
+			"1.0": {},
 		},
 		IgnoredFiles: []*regexp.Regexp{
 			regexp.MustCompile(`_test.go`),

testdata/src/case/case.go

@@ -27,3 +27,13 @@ func example2() {
 		fmt.Println("Good evening.")
 	}
 }
+
+func example3() {
+	var x interface{}
+
+	switch x {
+	case 1.0:
+	case 0.0:
+	case 3.0: // want "Magic number: 3.0"
+	}
+}

testdata/src/condition/condition.go

@@ -15,3 +15,13 @@ func example() {
 	if "test" == y {
 	}
 }
+
+func example2() {
+	var x float32
+
+	if x > 1.0 {
+	}
+
+	if x < 0.0 {
+	}
+}

testdata/src/operation/operation.go

@@ -33,3 +33,9 @@ func example6() {
 		// ...
 	}
 }
+
+func example7() {
+	var x float32
+	if 10 < (x * 1.0) { // want "Magic number: 10"
+	}
+}

testdata/src/return/return.go

@@ -27,3 +27,15 @@ func example6(x int32) int32 {
 func example7(x int32) int32 {
 	return (42 * x) + 10 // want "Magic number: 42" "Magic number: 10"
 }
+
+func example8() float32 {
+	return 0.0
+}
+
+func example9() float32 {
+	return 1.0
+}
+
+func example10() float32 {
+	return 3.0 // want "Magic number: 3.0"
+}