Update project settings, remove dead code.

dice-roll.xcodeproj/project.pbxproj

@@ -342,7 +342,7 @@
 		CDED6A1B21B2F28A00AB91D0 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 1110;
+				LastUpgradeCheck = 1230;
 				ORGANIZATIONNAME = "Sam Jaffe";
 				TargetAttributes = {
 					CD38F50821C83912007A732C = {
@@ -589,6 +589,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -653,6 +654,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;

dice-roll.xcodeproj/xcshareddata/xcschemes/dice-td.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1010"
+   LastUpgradeVersion = "1230"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -10,9 +10,9 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
       codeCoverageEnabled = "YES"
-      onlyGenerateCoverageForSpecifiedTargets = "YES"
-      shouldUseLaunchSchemeArgsEnv = "YES">
+      onlyGenerateCoverageForSpecifiedTargets = "YES">
       <CodeCoverageTargets>
          <BuildableReference
             BuildableIdentifier = "primary"
@@ -34,8 +34,6 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -47,8 +45,6 @@
       debugDocumentVersioning = "YES"
       debugServiceExtension = "internal"
       allowLocationSimulation = "YES">
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

src/die.cxx

@@ -13,13 +13,6 @@
 
 #include "dice-roll/exception.h"
 
-static void advance_over_whitespace(std::istream & in, char const * also = "") {
-  if (strchr(also, in.peek())) { in.get(); }
-  while (isspace(in.peek())) {
-    in.get();
-  }
-}
-
 namespace dice {
   int sgn(sign s) { return s == MINUS ? -1 : 1; }
   std::string str(sign s) {