must

must.BeTrue(true)
func() {
	defer func() {
		fmt.Println(recover())
	}()
	must.BeTrue(false)
}()

func() {
	defer func() {
		fmt.Println(recover())
	}()
	must.BeTrueWrap(false, fmt.Errorf("BeTrueWrap: some error"))
}()

func() {
	defer func() {
		fmt.Println(recover())
	}()
	must.BeTrueWrapF(false, fmt.Errorf("some error"), "BeTrueWrapF: message and args: %d", 100)
}()

f1 := func() (int, bool) { return 100, true }
f2 := func() (int, bool) { return 100, false }

fmt.Println(must.BeTrueV(f1()))
func() {
	defer func() {
		fmt.Println(recover())
	}()
	_ = must.BeTrueV(f2())
}()

must.BeTrueF(true, "any")
func() {
	defer func() {
		fmt.Println(recover())
	}()
	must.BeTrueF(false, "BeTrueF: required exists")
}()

Output:

must be true
must be true: [err: BeTrueWrap: some error]
must be true: BeTrueWrapF: message and args: 100 [err: some error]
100
must be true
must be true: BeTrueF: required exists

must.NoError(nil)
func() {
	defer func() {
		fmt.Println(recover())
	}()
	must.NoError(fmt.Errorf("NoError: some error"))
}()

fmt.Println(must.NoErrorV(100, nil))
func() {
	defer func() {
		fmt.Println(recover())
	}()
	must.NoErrorV(100, fmt.Errorf("NoErrorV: some error"))
}()

must.NoErrorF(nil, "any")

func() {
	defer func() {
		fmt.Println(recover())
	}()
	must.NoErrorF(fmt.Errorf("some error"), "NoErrorF: some message: %d", 10)
}()

Output:

NoError: some error
100
NoErrorV: some error
NoErrorF: some message: 10: some error

rv := reflect.ValueOf(struct {
	V0 any
	V7 error
	V8 reflect.Type
	V1 chan error
	V2 func()
	V3 *int
	V4 unsafe.Pointer
	V5 []int
	V6 map[string]int
}{})
for i := range rv.NumField() {
	func(v any) {
		defer func() {
			fmt.Println(recover())
		}()
		must.NotNilV(v)
	}(rv.Field(i).Interface())

	func(v any) {
		defer func() {
			fmt.Println(recover())
		}()
		must.NotNilF(v, "business message: %v", 100)
	}(rv.Field(i).Interface())

	func(v any) {
		defer func() {
			fmt.Println(recover())
		}()
		must.NotNilWrap(v, fmt.Errorf("business message: %v", 101))
	}(rv.Field(i).Interface())

	func(v any) {
		defer func() {
			fmt.Println(recover())
		}()
		must.NotNilWrapF(v, fmt.Errorf("business message: %v", 101), "more custom message and args: %d", 102)
	}(rv.Field(i).Interface())
}
fmt.Println(must.NotNilV(1))
fmt.Println(*must.NotNilV(new(int)))

Output:

must not nil, but got invalid value.
must not nil, but got invalid value. business message: 100
must not nil, but got invalid value. [err: business message: 101]
must not nil, but got invalid value. more custom message and args: 102 [err: business message: 101]
must not nil, but got invalid value.
must not nil, but got invalid value. business message: 100
must not nil, but got invalid value. [err: business message: 101]
must not nil, but got invalid value. more custom message and args: 102 [err: business message: 101]
must not nil, but got invalid value.
must not nil, but got invalid value. business message: 100
must not nil, but got invalid value. [err: business message: 101]
must not nil, but got invalid value. more custom message and args: 102 [err: business message: 101]
must not nil for type `chan error`.
must not nil for type `chan error`. business message: 100
must not nil for type `chan error`. [err: business message: 101]
must not nil for type `chan error`. more custom message and args: 102 [err: business message: 101]
must not nil for type `func()`.
must not nil for type `func()`. business message: 100
must not nil for type `func()`. [err: business message: 101]
must not nil for type `func()`. more custom message and args: 102 [err: business message: 101]
must not nil for type `*int`.
must not nil for type `*int`. business message: 100
must not nil for type `*int`. [err: business message: 101]
must not nil for type `*int`. more custom message and args: 102 [err: business message: 101]
must not nil for type `unsafe.Pointer`.
must not nil for type `unsafe.Pointer`. business message: 100
must not nil for type `unsafe.Pointer`. [err: business message: 101]
must not nil for type `unsafe.Pointer`. more custom message and args: 102 [err: business message: 101]
must not nil for type `[]int`.
must not nil for type `[]int`. business message: 100
must not nil for type `[]int`. [err: business message: 101]
must not nil for type `[]int`. more custom message and args: 102 [err: business message: 101]
must not nil for type `map[string]int`.
must not nil for type `map[string]int`. business message: 100
must not nil for type `map[string]int`. [err: business message: 101]
must not nil for type `map[string]int`. more custom message and args: 102 [err: business message: 101]
1
0

x := must.Success(func() (int, error) { return 100, nil })
fmt.Println(x)

x = must.OK(func() (int, bool) { return 100, true })
fmt.Println(x)

func() {
	defer func() {
		fmt.Println(recover())
	}()
	_ = must.Success(func() (int, error) { return 0, fmt.Errorf("some error") })
}()
func() {
	defer func() {
		fmt.Println(recover())
	}()
	_ = must.OK(func() (int, bool) { return 0, false })
}()

Output:

100
100
some error
must be true