1 //===--- Capacity.h - Generic computation of ADT memory use -----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines the capacity function that computes the amount of
11 // memory used by an ADT.
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_SUPPORT_CAPACITY_H
16 #define LLVM_SUPPORT_CAPACITY_H
23 static inline size_t capacity_in_bytes(const T &x) {
24 // This default definition of capacity should work for things like std::vector
25 // and friends. More specialized versions will work for others.
26 return x.capacity() * sizeof(typename T::value_type);
29 } // end namespace llvm