我用F#写了这样一个函数:
let TwistBasket (reverse: bool, quarters: int, overTwist: int byref) =
overTwist <- 50
WaitForBasketReady()
waitBasket.Reset()
let move = 135*quarters - 25 + overTwist
let speed =
match reverse with
| true -> -75y
| false -> 75y
let waitHandle = motorBasket.SpeedProfile(speed, 15u, uint32 move, 10u, true)
Task.Factory.StartNew(fun () ->
waitHandle.WaitOne()
if (overTwist <> 0) then
motorBasket.SpeedProfile(sbyte -speed, 0u, uint32 overTwist, 0u, true).WaitOne()
waitBasket.Set()
在这个if语句中;
if (overTwist <> 0) then
motorBasket.SpeedProfile(sbyte -speed, 0u, uint32 overTwist, 0u, true).WaitOne()
我遇到了这个错误:This expression was expected to have type unit but here has type bool.
实际上,motorBasket.SpeedProfile().WaitOne()
返回一个布尔语句。我需要它。
因为我正在尝试将这个if else语句转换成C#:
Task.Factory.StartNew(() =>
{
waitHandle.WaitOne();
if (overTwist != 0)
{
motorBasket.SpeedProfile((sbyte) -speed, 0, (uint) overTwist, 0, true).WaitOne();
}
waitBasket.Set();
});
我该如何修复我的错误?