fix deprecations

Author: 9il

source/mir/algorithm/iteration.d

@@ -121,7 +121,7 @@ private struct BitSliceAccelerator(Field, I = typeof(Field.init[size_t.init]))
     import mir.ndslice.field: BitField;
 
     ///
-    alias U = typeof(I + 1u);
+    alias U = typeof(I.init + 1u);
     /// body bits chunks
     static if (isIterator!Field)
         Slice!Field bodyChunks;

source/mir/format.d

@@ -88,7 +88,7 @@ unittest
 }
 
 /// Concatenated string results
-string text(string separator = "", Args...)(auto scope ref const Args args)
+string text(string separator = "", Args...)(auto ref scope const Args args)
     if (Args.length > 0)
 {
     import mir.utility: _expect;
@@ -607,7 +607,7 @@ void printElement(C = char, EscapeFormat escapeFormat = EscapeFormat.ion, W, T)(
 /++
 Multiargument overload.
 +/
-void print(C = char, W, Args...)(scope ref W w, auto scope ref const Args args)
+void print(C = char, W, Args...)(scope ref W w, auto ref scope const Args args)
     if (isSomeChar!C && Args.length > 1)
 {
     foreach(i, ref c; args)

source/mir/interpolate/spline.d

@@ -843,7 +843,7 @@ struct Spline(F, size_t N = 1, X = F)
         this._data = shape.rcslice!(F[2 ^^ N]);
     }
 
-    package static auto pickDataSubslice(D)(auto scope ref D data, size_t index) @trusted
+    package static auto pickDataSubslice(D)(auto ref scope D data, size_t index) @trusted
     {
         auto strides = data.strides;
         foreach (i; Iota!(strides.length))