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73a1ad8f05
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143718 91177308-0d34-0410-b5e6-96231b3b80d8
33 lines
944 B
C++
33 lines
944 B
C++
//===--- Capacity.h - Generic computation of ADT memory use -----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the capacity function that computes the amount of
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// memory used by an ADT.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_CAPACITY_H
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#define LLVM_SUPPORT_CAPACITY_H
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#include <cstddef>
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namespace llvm {
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template <typename T>
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static inline size_t capacity_in_bytes(const T &x) {
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// This default definition of capacity should work for things like std::vector
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// and friends. More specialized versions will work for others.
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return x.capacity() * sizeof(typename T::value_type);
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}
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} // end namespace llvm
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#endif
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