_ = copy() // ERROR "not enough arguments"
_ = copy(1, 2, 3) // ERROR "too many arguments"
- _ = copy(si, "hi") // ERROR "have different element types.*int.*string"
+ _ = copy(si, "hi") // ERROR "have different element types(.*int.*string| int and byte)"
_ = copy(si, sf) // ERROR "have different element types.*int.*float64"
- _ = copy(1, 2) // ERROR "must be slices; have int, int"
- _ = copy(1, si) // ERROR "first argument to copy should be"
- _ = copy(si, 2) // ERROR "second argument to copy should be"
+ _ = copy(1, 2) // ERROR "must be slices; have int, int|expects slice arguments"
+ _ = copy(1, si) // ERROR "first argument to copy should be|expects slice arguments"
+ _ = copy(si, 2) // ERROR "second argument to copy should be|expects slice arguments"
}