Add u.False & u.True

Author: leaanthony

README.md

@@ -90,10 +90,12 @@ fmt.Println(myVar.IsSet()) // false
 ```go
     type MyStruct struct {
         MyVar u.Int
+		MyOption u.Bool
     }
 
     myStruct := MyStruct{
 	    MyVar: u.NewInt(42),
+		MyOption: u.True,
     }
 ```
 
@@ -122,6 +124,11 @@ Yes, that's one way you can solve this issue. Personally, I try to avoid having
 - `u.Byte`
 - `u.Rune`
 
+## Values
+
+- `u.True`
+- `u.False`
+
 ## Custom types
 
 Any type can be used with this library by creating a `u.Var` of that type. For example:

u.go

@@ -1,5 +1,11 @@
 package u
 
+// True is a `bool` that is set to true
+var True = NewBool(true)
+
+// False is a `bool` that is set to false
+var False = NewBool(false)
+
 // Bool is a `bool` that can be unset
 type Bool = Var[bool]
 

u_test.go

@@ -457,7 +457,8 @@ func TestVar_Struct(t *testing.T) {
 		Value15 u.Complex64
 		Value16 u.Complex128
 		Value17 u.Bool
-		Value18 u.String
+		Value18 u.Bool
+		Value19 u.String
 	}
 
 	prefs := Preferences{
@@ -477,8 +478,9 @@ func TestVar_Struct(t *testing.T) {
 		Value14: u.NewRune('x'),
 		Value15: u.NewComplex64(42 + 42i),
 		Value16: u.NewComplex128(42 + 42i),
-		Value17: u.NewBool(true),
-		Value18: u.NewString("hello"),
+		Value17: u.True,
+		Value18: u.False,
+		Value19: u.NewString("hello"),
 	}
 
 	if prefs.Value1.Get() != 42 {
@@ -532,7 +534,10 @@ func TestVar_Struct(t *testing.T) {
 	if prefs.Value17.Get() != true {
 		t.Errorf("Get() = %v, want true", prefs.Value17.Get())
 	}
-	if prefs.Value18.Get() != "hello" {
-		t.Errorf("Get() = %v, want \"hello\"", prefs.Value18.Get())
+	if prefs.Value18.Get() != false {
+		t.Errorf("Get() = %v, want false", prefs.Value18.Get())
+	}
+	if prefs.Value19.Get() != "hello" {
+		t.Errorf("Get() = %v, want \"hello\"", prefs.Value19.Get())
 	}
 }