Swiftで、「Binary operator '>=' cannot be applied to operands of type 'Float?' and 'Float'」というエラーが出る var value = Float("1.0") let maxValue:Float = 100.0 if(value >= maxValue) { value = maxValue } Binary operator '>=' cannot be applied to operands of type 'Float?' and 'Float' Swift5

`value``Float?`

`Float("1.0")` `"1.0"`FloatFloatNull `if let`


var value = Float("1.0")
let maxValue:Float = 100.0

if(value! >= maxValue)
{
value = maxValue
}


Null`if let`


var value = Float("1.0")
let maxValue: Float = 100.0

if let v = value, v >= maxValue {
value = maxValue
}




`value``Float`Null


var value = Float("1.0") ?? 0.0
let maxValue: Float = 100.0

if value >= maxValue {
value = maxValue
}





var value = Float("1.0") ?? 100.0
let maxValue: Float = 100.0

if value >= maxValue {
value = maxValue
}