GO

每條線的類型都在於每條線的類型：常數，適應時間。在表達式時間中進行。 hour / 73.0。

d被明確鍵入float64，不能按時間劃分。 time.Hour / time.Duration(d)

or use one of the following alternative ways:

d := time.Duration(73.0)

var d time.Duration = 73.0

// Success
s := time.Hour / 73.0
fmt.Println("sleeping: ", s)
time.Sleep(s)

// Failure
d := 73.0
s := time.Hour / d
fmt.Println("sleeping: ", s)
time.Sleep(s)

// Error: invalid operation: time.Hour / d (mismatched types time.Duration and float64)

For values that cannot be represented in time.Duration, such as 73.5, the Time.hour必須轉換為Float64：

d：= 73.5 s := time.Duration(float64(time.Hour) / d)

Further Considerations:

• Constants: Constants like time.Hour have a type that cannot be changed, so they cannot be used directly with non-compatible types.
• Untyped Constants: Untyped constants take on the type of the context they are used in. In the first line, 73.0 adapts to time.Duration.

Type Conversion:

Explicit type conversions like time.Duration(d) are necessary to ensure compatibility between different類型。