Merge pull request #474 from lorentey/avoid-index-description

[Rope] Resolve deprecation warnings on `String.Index._description`

Author: lorentey

Tests/RopeModuleTests/TestBigString.swift

@@ -171,15 +171,15 @@ class TestBigString: CollectionTestCase {
       guard i1 < flat.endIndex, i2 < big.endIndex else { continue }
       let c1 = flat[i1]
       let c2 = big[i2]
-      expectEqual(c1, c2, "i: \(i), i1: \(i1._description), i2: \(i2)", file: file, line: line)
+      expectEqual(c1, c2, "i: \(i), i1: \(i1), i2: \(i2)", file: file, line: line)
     }
 
     for i in 0 ..< c {
       let i1 = indices1[i]
       let i2 = indices2[i]
       let d1 = flat.utf8.distance(from: flat.startIndex, to: i1)
       let d2 = big.utf8.distance(from: big.startIndex, to: i2)
-      expectEqual(d2, d1, "i: \(i), i1: \(i1._description), i2: \(i2)", file: file, line: line)
+      expectEqual(d2, d1, "i: \(i), i1: \(i1), i2: \(i2)", file: file, line: line)
     }
     return (indices1, indices2)
   }
@@ -221,15 +221,15 @@ class TestBigString: CollectionTestCase {
       guard i1 < flat.endIndex, i2 < big.endIndex else { continue }
       let c1 = flat.unicodeScalars[i1]
       let c2 = big.unicodeScalars[i2]
-      expectEqual(c1, c2, "i: \(i), i1: \(i1._description), i2: \(i2)", file: file, line: line)
+      expectEqual(c1, c2, "i: \(i), i1: \(i1), i2: \(i2)", file: file, line: line)
     }
 
     for i in 0 ..< c {
       let i1 = indices1[i]
       let i2 = indices2[i]
       let d1 = flat.utf8.distance(from: flat.startIndex, to: i1)
       let d2 = big.utf8.distance(from: big.startIndex, to: i2)
-      expectEqual(d2, d1, "i: \(i), i1: \(i1._description), i2: \(i2)", file: file, line: line)
+      expectEqual(d2, d1, "i: \(i), i1: \(i1), i2: \(i2)", file: file, line: line)
     }
     return (indices1, indices2)
   }
@@ -271,15 +271,15 @@ class TestBigString: CollectionTestCase {
       guard i1 < flat.endIndex, i2 < big.endIndex else { continue }
       let c1 = flat.utf8[i1]
       let c2 = big.utf8[i2]
-      expectEqual(c1, c2, "i: \(i), i1: \(i1._description), i2: \(i2)", file: file, line: line)
+      expectEqual(c1, c2, "i: \(i), i1: \(i1), i2: \(i2)", file: file, line: line)
     }
 
     for i in 0 ..< c {
       let i1 = indices1[i]
       let i2 = indices2[i]
       let d1 = flat.utf8.distance(from: flat.startIndex, to: i1)
       let d2 = big.utf8.distance(from: big.startIndex, to: i2)
-      expectEqual(d2, d1, "i: \(i), i1: \(i1._description), i2: \(i2)", file: file, line: line)
+      expectEqual(d2, d1, "i: \(i), i1: \(i1), i2: \(i2)", file: file, line: line)
     }
     return (indices1, indices2)
   }
@@ -321,15 +321,15 @@ class TestBigString: CollectionTestCase {
       guard i1 < flat.endIndex, i2 < big.endIndex else { continue }
       let c1 = flat.utf16[i1]
       let c2 = big.utf16[i2]
-      expectEqual(c1, c2, "i: \(i), i1: \(i1._description), i2: \(i2)", file: file, line: line)
+      expectEqual(c1, c2, "i: \(i), i1: \(i1), i2: \(i2)", file: file, line: line)
     }
 
     for i in 0 ..< c {
       let i1 = indices1[i]
       let i2 = indices2[i]
       let d1 = flat.utf16.distance(from: flat.startIndex, to: i1)
       let d2 = big.utf16.distance(from: big.startIndex, to: i2)
-      expectEqual(d2, d1, "i: \(i), i1: \(i1._description), i2: \(i2)", file: file, line: line)
+      expectEqual(d2, d1, "i: \(i), i1: \(i1), i2: \(i2)", file: file, line: line)
     }
     return (indices1, indices2)
   }