Use const and static for member functions

This shows that these are member functions that do not modify a class's data.

3 files changed, 11 insertions, 9 deletions

diff --git a/absl/strings/cord_buffer.h b/absl/strings/cord_buffer.h
index a3600ac4..bc0e4e45 100644
--- a/absl/strings/cord_buffer.h
+++ b/absl/strings/cord_buffer.h
@@ -160,7 +160,6 @@ class CordBuffer {
   // for more information on buffer capacities and intended usage.
   static CordBuffer CreateWithDefaultLimit(size_t capacity);
 
-
   // CordBuffer::CreateWithCustomLimit()
   //
   // Creates a CordBuffer instance of the desired `capacity` rounded to an
@@ -336,7 +335,7 @@ class CordBuffer {
     }
 
     // Returns the available area of the internal SSO data
-    absl::Span<char> long_available() {
+    absl::Span<char> long_available() const {
       assert(!is_short());
       const size_t length = long_rep.rep->length;
       return absl::Span<char>(long_rep.rep->Data() + length,
diff --git a/absl/strings/internal/str_format/float_conversion.cc b/absl/strings/internal/str_format/float_conversion.cc
index fe0ad4bd..f1490e5a 100644
--- a/absl/strings/internal/str_format/float_conversion.cc
+++ b/absl/strings/internal/str_format/float_conversion.cc
@@ -1015,7 +1015,7 @@ struct Buffer {
     --end;
   }
 
-  char &back() {
+  char &back() const {
     assert(begin < end);
     return end[-1];
   }
diff --git a/absl/strings/str_split.cc b/absl/strings/str_split.cc
index e08c26b6..72ba7c02 100644
--- a/absl/strings/str_split.cc
+++ b/absl/strings/str_split.cc
@@ -60,19 +60,23 @@ absl::string_view GenericFind(absl::string_view text,
 // Finds using absl::string_view::find(), therefore the length of the found
 // delimiter is delimiter.length().
 struct LiteralPolicy {
-  size_t Find(absl::string_view text, absl::string_view delimiter, size_t pos) {
+  static size_t Find(absl::string_view text, absl::string_view delimiter,
+                     size_t pos) {
     return text.find(delimiter, pos);
   }
-  size_t Length(absl::string_view delimiter) { return delimiter.length(); }
+  static size_t Length(absl::string_view delimiter) {
+    return delimiter.length();
+  }
 };
 
 // Finds using absl::string_view::find_first_of(), therefore the length of the
 // found delimiter is 1.
 struct AnyOfPolicy {
-  size_t Find(absl::string_view text, absl::string_view delimiter, size_t pos) {
+  static size_t Find(absl::string_view text, absl::string_view delimiter,
+                     size_t pos) {
     return text.find_first_of(delimiter, pos);
   }
-  size_t Length(absl::string_view /* delimiter */) { return 1; }
+  static size_t Length(absl::string_view /* delimiter */) { return 1; }
 };
 
 }  // namespace
@@ -123,8 +127,7 @@ ByLength::ByLength(ptrdiff_t length) : length_(length) {
   ABSL_RAW_CHECK(length > 0, "");
 }
 
-absl::string_view ByLength::Find(absl::string_view text,
-                                      size_t pos) const {
+absl::string_view ByLength::Find(absl::string_view text, size_t pos) const {
   pos = std::min(pos, text.size());  // truncate `pos`
   absl::string_view substr = text.substr(pos);
   // If the string is shorter than the chunk size we say we