llvm-mirror/include/llvm/Support/Capacity.h
Eli Friedman ed37686ef1 Add missing includes/class declaration.
llvm-svn: 143718
2011-11-04 18:30:30 +00:00

33 lines
944 B
C++

//===--- Capacity.h - Generic computation of ADT memory use -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the capacity function that computes the amount of
// memory used by an ADT.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_CAPACITY_H
#define LLVM_SUPPORT_CAPACITY_H
#include <cstddef>
namespace llvm {
template <typename T>
static inline size_t capacity_in_bytes(const T &x) {
// This default definition of capacity should work for things like std::vector
// and friends. More specialized versions will work for others.
return x.capacity() * sizeof(typename T::value_type);
}
} // end namespace llvm
#endif