-
-
Notifications
You must be signed in to change notification settings - Fork 1.2k
/
BoundedLaws.scala
54 lines (46 loc) · 1.92 KB
/
BoundedLaws.scala
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
/*
* Copyright (c) 2015 Typelevel
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package cats.kernel.laws
import cats.kernel.{LowerBounded, PartialOrder, UpperBounded}
trait LowerBoundedLaws[A] extends PartialOrderLaws[A] {
implicit def B: LowerBounded[A]
def boundLteqv(x: A): IsEq[Boolean] =
E.lteqv(B.minBound, x) <-> true
}
object LowerBoundedLaws {
def apply[A](implicit ev: LowerBounded[A]): LowerBoundedLaws[A] =
new LowerBoundedLaws[A] {
def B: LowerBounded[A] = ev
def E: PartialOrder[A] = ev.partialOrder
}
}
trait UpperBoundedLaws[A] extends PartialOrderLaws[A] {
implicit def B: UpperBounded[A]
def boundGteqv(x: A): IsEq[Boolean] =
E.gteqv(B.maxBound, x) <-> true
}
object UpperBoundedLaws {
def apply[A](implicit ev: UpperBounded[A]): UpperBoundedLaws[A] =
new UpperBoundedLaws[A] {
def B: UpperBounded[A] = ev
def E: PartialOrder[A] = ev.partialOrder
}
}