Rename caps.* to caps.cap

Author: natsukagami

tests/disabled/neg-custom-args/captures/capt-wf.scala

@@ -1,7 +1,7 @@
 // No longer valid
 class C
-type Cap = C @retains(caps.*)
-type Top = Any @retains(caps.*)
+type Cap = C @retains(caps.cap)
+type Top = Any @retains(caps.cap)
 
 type T = (x: Cap) => List[String @retains(x)] => Unit // error
 val x: (x: Cap) => Array[String @retains(x)] = ??? // error

tests/disabled/neg-custom-args/captures/try2.scala

@@ -5,7 +5,7 @@ import annotation.ability
 @ability erased val canThrow: * = ???
 
 class CanThrow[E <: Exception] extends Retains[canThrow.type]
-type Top  = Any @retains(caps.*)
+type Top  = Any @retains(caps.cap)
 
 infix type throws[R, E <: Exception] = (erased CanThrow[E]) ?=> R
 

tests/pos/caps-universal.scala

@@ -3,7 +3,7 @@ import annotation.retains
 
 val id: Int -> Int = (x: Int) => x
 val foo: Int => Int = id
-val bar: (Int -> Int) @retains(caps.*) = foo
+val bar: (Int -> Int) @retains(caps.cap) = foo