LLVM  15.0.0git
STLArrayExtras.h
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1 //===- llvm/ADT/STLArrayExtras.h - additions to <array> ---------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file contains some templates that are useful if you are working with the
10 // STL at all.
11 //
12 // No library is required when using these functions.
13 //
14 //===----------------------------------------------------------------------===//
15 
16 #ifndef LLVM_ADT_STLARRAYEXTRAS_H
17 #define LLVM_ADT_STLARRAYEXTRAS_H
18 
19 #include <cstddef>
20 
21 namespace llvm {
22 
23 //===----------------------------------------------------------------------===//
24 // Extra additions for arrays
25 //===----------------------------------------------------------------------===//
26 
27 /// Find the length of an array.
28 template <class T, std::size_t N>
29 constexpr inline size_t array_lengthof(T (&)[N]) {
30  return N;
31 }
32 
33 } // end namespace llvm
34 
35 #endif // LLVM_ADT_STLARRAYEXTRAS_H
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:17
llvm::array_lengthof
constexpr size_t array_lengthof(T(&)[N])
Find the length of an array.
Definition: STLArrayExtras.h:29
N
#define N