   }
 
   init(_ _c: UnicodeScalar) {
-    self = String(count: 1, scalar: _c)
+    self = String(count: 1, repeatedValue: _c)
   }
 
   func _isAll(predicate: (UnicodeScalar) -> Bool) -> Bool {

    self = String(_StringBuffer(encoding: _encoding, input: input))
  }
  
  init(count sz: Int, character c: Character) {
    let s = String(c)
    self = String(_StringBuffer(capacity: s.core.count * sz, 
                                initialSize: 0, 

    }
  }

  init(count: Int, repeatedValue c: UnicodeScalar) {
    self = String(UTF32.self, 
                  input: Repeat(count: count, repeatedValue: c.value))
  }
  
  func asUTF8() -> UTF8.CodeUnit[] {
