[ranges] Fix 'constexpr friend' to our preferred order 'friend constexpr'.

Author: zygoloid

source/ranges.tex

@@ -3871,7 +3871,7 @@
 
     constexpr sentinel_t<base_t> base() const { return end_; }
 
-    constexpr friend bool operator==(const iterator_t<base_t>& x, const sentinel& y);
+    friend constexpr bool operator==(const iterator_t<base_t>& x, const sentinel& y);
   };
 }
 \end{codeblock}
@@ -3899,7 +3899,7 @@
 \end{itemdescr}
 
 \begin{itemdecl}
-constexpr friend bool operator==(const iterator_t<base_t>& x, const sentinel& y);
+friend constexpr bool operator==(const iterator_t<base_t>& x, const sentinel& y);
 \end{itemdecl}
 
 \begin{itemdescr}
@@ -5814,35 +5814,35 @@
       requires RandomAccessRange<base_t>
     { return get<N>(*(current_ + n)); }
 
-    constexpr friend bool operator==(const iterator& x, const iterator& y)
+    friend constexpr bool operator==(const iterator& x, const iterator& y)
       requires EqualityComparable<iterator_t<base_t>>;
-    constexpr friend bool operator==(const iterator& x, const sentinel_t<base_t>& y);
+    friend constexpr bool operator==(const iterator& x, const sentinel_t<base_t>& y);
 
-    constexpr friend bool operator<(const iterator& x, const iterator& y)
+    friend constexpr bool operator<(const iterator& x, const iterator& y)
       requires RandomAccessRange<base_t>;
-    constexpr friend bool operator>(const iterator& x, const iterator& y)
+    friend constexpr bool operator>(const iterator& x, const iterator& y)
       requires RandomAccessRange<base_t>;
-    constexpr friend bool operator<=(const iterator& y, const iterator& y)
+    friend constexpr bool operator<=(const iterator& y, const iterator& y)
       requires RandomAccessRange<base_t>;
-    constexpr friend bool operator>=(const iterator& x, const iterator& y)
+    friend constexpr bool operator>=(const iterator& x, const iterator& y)
       requires RandomAccessRange<base_t>;
-    constexpr friend compare_three_way_result_t<iterator_t<base_t>>
+    friend constexpr compare_three_way_result_t<iterator_t<base_t>>
       operator<=>(const iterator& x, const iterator& y)
         requires RandomAccessRange<base_t> && ThreeWayComparable<iterator_t<base_t>>;
 
-    constexpr friend iterator operator+(const iterator& x, difference_type y)
+    friend constexpr iterator operator+(const iterator& x, difference_type y)
       requires RandomAccessRange<base_t>;
-    constexpr friend iterator operator+(difference_type x, const iterator& y)
+    friend constexpr iterator operator+(difference_type x, const iterator& y)
       requires RandomAccessRange<base_t>;
-    constexpr friend iterator operator-(const iterator& x, difference_type y)
+    friend constexpr iterator operator-(const iterator& x, difference_type y)
       requires RandomAccessRange<base_t>;
-    constexpr friend difference_type operator-(const iterator& x, const iterator& y)
+    friend constexpr difference_type operator-(const iterator& x, const iterator& y)
       requires RandomAccessRange<base_t>;
 
-    constexpr friend difference_type
+    friend constexpr difference_type
       operator-(const iterator<Const>& x, const sentinel_t<base_t>& y)
         requires SizedSentinel<sentinel_t<base_t>, iterator_t<base_t>>;
-    constexpr friend difference_type
+    friend constexpr difference_type
       operator-(const sentinel_t<base_t>& x, const iterator<Const>& y)
         requires SizedSentinel<sentinel_t<base_t>, iterator_t<base_t>>;
   };
@@ -5977,7 +5977,7 @@
 \end{itemdescr}
 
 \begin{itemdecl}
-constexpr friend bool operator==(const iterator& x, const iterator& y)
+friend constexpr bool operator==(const iterator& x, const iterator& y)
   requires EqualityComparable<base_t>;
 \end{itemdecl}
 
@@ -5988,7 +5988,7 @@
 \end{itemdescr}
 
 \begin{itemdecl}
-  constexpr friend bool operator==(const iterator& x, const sentinel_t<base_t>& y);
+friend constexpr bool operator==(const iterator& x, const sentinel_t<base_t>& y);
 \end{itemdecl}
 
 \begin{itemdescr}
@@ -5998,7 +5998,7 @@
 \end{itemdescr}
 
 \begin{itemdecl}
-constexpr friend bool operator<(const iterator& x, const iterator& y)
+friend constexpr bool operator<(const iterator& x, const iterator& y)
   requires RandomAccessRange<base_t>;
 \end{itemdecl}
 
@@ -6009,7 +6009,7 @@
 \end{itemdescr}
 
 \begin{itemdecl}
-constexpr friend bool operator>(const iterator& x, const iterator& y)
+friend constexpr bool operator>(const iterator& x, const iterator& y)
   requires RandomAccessRange<base_t>;
 \end{itemdecl}
 
@@ -6020,7 +6020,7 @@
 \end{itemdescr}
 
 \begin{itemdecl}
-constexpr friend bool operator<=(const iterator& x, const iterator& y)
+friend constexpr bool operator<=(const iterator& x, const iterator& y)
   requires RandomAccessRange<base_t>;
 \end{itemdecl}
 
@@ -6031,7 +6031,7 @@
 \end{itemdescr}
 
 \begin{itemdecl}
-constexpr friend bool operator>=(const iterator& x, const iterator& y)
+friend constexpr bool operator>=(const iterator& x, const iterator& y)
   requires RandomAccessRange<base_t>;
 \end{itemdecl}
 
@@ -6042,7 +6042,7 @@
 \end{itemdescr}
 
 \begin{itemdecl}
-constexpr friend compare_three_way_result_t<iterator_t<base_t>>
+friend constexpr compare_three_way_result_t<iterator_t<base_t>>
   operator<=>(const iterator& x, const iterator& y)
     requires RandomAccessRange<base_t> && ThreeWayComparable<iterator_t<base_t>>;
 \end{itemdecl}
@@ -6054,7 +6054,7 @@
 \end{itemdescr}
 
 \begin{itemdecl}
-constexpr friend iterator operator+(const iterator& x, difference_type y)
+friend constexpr iterator operator+(const iterator& x, difference_type y)
   requires RandomAccessRange<base_t>;
 \end{itemdecl}
 
@@ -6064,7 +6064,7 @@
 \end{itemdescr}
 
 \begin{itemdecl}
-constexpr friend iterator operator+(difference_type x, const iterator& y)
+friend constexpr iterator operator+(difference_type x, const iterator& y)
   requires RandomAccessRange<base_t>;
 \end{itemdecl}
 
@@ -6096,7 +6096,7 @@
 \end{itemdescr}
 
 \begin{itemdecl}
-constexpr friend difference_type
+friend constexpr difference_type
   operator-(const iterator<Const>& x, const sentinel_t<base_t>& y)
     requires SizedSentinel<sentinel_t<base_t>, iterator_t<base_t>>;
 \end{itemdecl}
@@ -6108,7 +6108,7 @@
 \end{itemdescr}
 
 \begin{itemdecl}
-constexpr friend difference_type
+friend constexpr difference_type
   operator-(const sentinel_t<base_t>& x, const iterator<Const>& y)
     requires SizedSentinel<sentinel_t<base_t>, iterator_t<base_t>>;
 \end{itemdecl}