如何一般性地删除F#度量单位

如果我的问题正确,将其转换为"纯"浮动会移除单位.例如:

[] type m
[] type km

let removeUnit (x:float<_>) =
    float x

let foo = removeUnit 2.6
let foo2 = removeUnit 2.1

val removeUnit:float <'u> - > float