Use ^ instead of - in slices

tests/exprs/texprstmt.nim

@@ -7,6 +7,6 @@ discard """
 
 proc test: string =
   result = "blah"
-  result[1 .. -1]
+  result[1 .. ^1]
 
 echo test()

tests/generics/tunique_type.nim

@@ -27,7 +27,7 @@ proc refExpr(exprNode: NimNode): string {.compileTime.} =
   "expr" & $(exprNodes.len - 1)
 
 proc derefExpr(exprRef: string): NimNode {.compileTime.} =
-  exprNodes[parseInt(exprRef[4 .. -1])]
+  exprNodes[parseInt(exprRef[4 .. ^1])]
 
 #===============================================================================
 # Define a type that allows a callable expression to be mapped onto elements

tests/misc/tslices.nim

@@ -36,7 +36,7 @@ echo()
 
 
 var myseq = @[1, 2, 3, 4, 5, 6]
-myseq[0..2] = myseq[-3.. -1]
+myseq[0..2] = myseq[^3 .. ^1]
 
 for x in items(myseq): stdout.write(x)
 echo()
@@ -46,7 +46,7 @@ echo mystr
 mystr[4..4] = "u"
 
 # test full replacement
-mystr[.. -2] = "egerichtet"
+mystr[.. ^2] = "egerichtet"
 
 echo mystr
 
@@ -54,6 +54,6 @@ mystr[0..2] = "ve"
 echo mystr
 
 var s = "abcdef"
-s[1 .. -2] = "xyz"
+s[1 .. ^2] = "xyz"
 assert s == "axyzf"
 

tests/testament/categories.nim

@@ -22,35 +22,35 @@ proc delNimCache() =
     removeDir(nimcacheDir)
   except OSError:
     echo "[Warning] could not delete: ", nimcacheDir
-    
+
 proc runRodFiles(r: var TResults, cat: Category, options: string) =
   template test(filename: expr): stmt =
     testSpec r, makeTest(rodfilesDir / filename, options, cat, actionRun)
-  
+
   delNimCache()
-  
+
   # test basic recompilation scheme:
   test "hallo"
   test "hallo"
   # test incremental type information:
   test "hallo2"
   delNimCache()
-  
+
   # test type converters:
   test "aconv"
   test "bconv"
   delNimCache()
-  
+
   # test G, A, B example from the documentation; test init sections:
   test "deada"
   test "deada2"
   delNimCache()
-  
+
   # test method generation:
   test "bmethods"
   test "bmethods2"
   delNimCache()
-  
+
   # test generics:
   test "tgeneric1"
   test "tgeneric2"
@@ -79,8 +79,8 @@ proc runBasicDLLTest(c, r: var TResults, cat: Category, options: string) =
     options & " --app:lib -d:createNimRtl", cat)
   testSpec c, makeTest("tests/dll/server.nim",
     options & " --app:lib -d:useNimRtl", cat)
-  
-  when defined(Windows): 
+
+  when defined(Windows):
     # windows looks in the dir of the exe (yay!):
     var nimrtlDll = DynlibFormat % "nimrtl"
     safeCopyFile("lib" / nimrtlDll, "tests/dll" / nimrtlDll)
@@ -91,14 +91,14 @@ proc runBasicDLLTest(c, r: var TResults, cat: Category, options: string) =
     putEnv("LD_LIBRARY_PATH", "lib:" & libpath)
     var serverDll = DynlibFormat % "server"
     safeCopyFile("tests/dll" / serverDll, "lib" / serverDll)
-  
-  testSpec r, makeTest("tests/dll/client.nim", options & " -d:useNimRtl", 
+
+  testSpec r, makeTest("tests/dll/client.nim", options & " -d:useNimRtl",
                        cat, actionRun)
 
 proc dllTests(r: var TResults, cat: Category, options: string) =
   # dummy compile result:
   var c = initResults()
-  
+
   runBasicDLLTest c, r, cat, options
   runBasicDLLTest c, r, cat, options & " -d:release"
   runBasicDLLTest c, r, cat, options & " --gc:boehm"
@@ -134,7 +134,7 @@ proc gcTests(r: var TResults, cat: Category, options: string) =
   test "cycleleak"
   test "closureleak"
   testWithoutMs "refarrayleak"
-  
+
   test "stackrefleak"
   test "cyclecollector"
 
@@ -147,7 +147,7 @@ proc threadTests(r: var TResults, cat: Category, options: string) =
       " -d:release", cat, actionRun)
     testSpec r, makeTest("tests/threads" / filename, options &
       " --tlsEmulation:on", cat, actionRun)
-  
+
   test "tactors"
   test "tactors2"
   test "threadex"
@@ -182,7 +182,7 @@ proc jsTests(r: var TResults, cat: Category, options: string) =
                          actionRun, targetJS)
     testSpec r, makeTest(filename, options & " -d:nodejs -d:release", cat,
                          actionRun, targetJS)
-    
+
   for t in os.walkFiles("tests/js/t*.nim"):
     test(t)
   for testfile in ["exception/texceptions", "exception/texcpt1",
@@ -199,13 +199,13 @@ proc jsTests(r: var TResults, cat: Category, options: string) =
 
 proc findMainFile(dir: string): string =
   # finds the file belonging to ".nim.cfg"; if there is no such file
-  # it returns the some ".nim" file if there is only one: 
+  # it returns the some ".nim" file if there is only one:
   const cfgExt = ".nim.cfg"
   result = ""
   var nimFiles = 0
   for kind, file in os.walkDir(dir):
     if kind == pcFile:
-      if file.endsWith(cfgExt): return file[.. -(cfgExt.len+1)] & ".nim"
+      if file.endsWith(cfgExt): return file[.. ^(cfgExt.len+1)] & ".nim"
       elif file.endsWith(".nim"):
         if result.len == 0: result = file
         inc nimFiles
@@ -236,7 +236,7 @@ type PackageFilter = enum
   pfExtraOnly
   pfAll
 
-let 
+let
   nimbleExe = findExe("nimble")
   nimbleDir = getHomeDir() / ".nimble"
   packageDir = nimbleDir / "pkgs"

tests/testament/tester.nim

@@ -59,7 +59,7 @@ proc callCompiler(cmdTemplate, filename, options: string,
                   target: TTarget): TSpec =
   let c = parseCmdLine(cmdTemplate % ["target", targetToCmd[target],
                        "options", options, "file", filename.quoteShell])
-  var p = startProcess(command=c[0], args=c[1.. -1],
+  var p = startProcess(command=c[0], args=c[1.. ^1],
                        options={poStdErrToStdOut, poUseShell})
   let outp = p.outputStream
   var suc = ""
@@ -284,7 +284,7 @@ proc main() =
     let testsDir = "tests" & DirSep
     for kind, dir in walkDir(testsDir):
       assert testsDir.startsWith(testsDir)
-      let cat = dir[testsDir.len .. -1]
+      let cat = dir[testsDir.len .. ^1]
       if kind == pcDir and cat notin ["testament", "testdata", "nimcache"]:
         processCategory(r, Category(cat), p.cmdLineRest.string)
     for a in AdditionalCategories: