range comparing...

gistfile1.txt

<>, both not included in range, 
<=>, both included
<==, left not included, 
==> right not included

infix operator <> {}
infix operator <=> {}
infix operator ==> {}
infix operator <== {}


func <=> <T:Comparable>(lhs:T,rhs:(T,T)) -> Bool{
    
    if lhs < rhs.0{
        return false
    }
    if lhs > rhs.1{
        return false
    }
    return true
}

func <> <T:Comparable>(lhs:T,rhs:(T,T)) -> Bool{
    
    if lhs <= rhs.0{
        return false
    }
    if lhs >= rhs.1{
        return false
    }
    return true
}

func  ==> <T:Comparable>(lhs:T,rhs:(T,T)) -> Bool{
    
    if lhs < rhs.0{
        return false
    }
    if lhs >= rhs.1{
        return false
    }
    return true
}
func  <==  <T:Comparable>(lhs:T,rhs:(T,T)) -> Bool{
    
    if lhs <= rhs.0{
        return false
    }
    if lhs > rhs.1{
        return false
    }
    return true
}




let x = 5


let res = 5 <> (3, 5)

let res1 = 5 <=> (3, 5)

let res1b = 5 ==> (3, 5)

let res1c = 5 <== (3, 5)

let res2 = 5 <> (5, 7)

let res3 = 5 <=> (5, 7)

let res3b = 5 ==> (5, 7)

let res3c = 5 <== (5, 7)

least recently edited gist lol