XECOUNT to countof.

2014-08-16 17:58:33 -07:00
parent 187d0ad277
commit f2a9fa3bf9
30 changed files with 195 additions and 175 deletions
--- a/src/poly/math.h
+++ b/src/poly/math.h
@@ -20,6 +20,11 @@

 namespace poly {

+template <typename T, size_t N>
+size_t countof(T (&arr)[N]) {
+  return std::extent<T[N]>::value;
+}
+
 // Rounds up the given value to the given alignment.
 template <typename T>
 T align(T value, T alignment) {