ClickHouse/src/Common/Allocator_fwd.h

#pragma once
/**
  * This file provides forward declarations for Allocator.
  */

template <bool clear_memory_, bool mmap_populate = false>
class Allocator;

template <typename Base, size_t N = 64, size_t Alignment = 1>
class AllocatorWithStackMemory;
Check for #pragma once in headers 2020-10-10 18:37:02 +00:00			`#pragma once`
Include PODArray.h into fewer files. 2019-10-07 18:56:03 +00:00			`/**`
			`* This file provides forward declarations for Allocator.`
			`*/`

			`template <bool clear_memory_, bool mmap_populate = false>`
			`class Allocator;`

			`template <typename Base, size_t N = 64, size_t Alignment = 1>`
			`class AllocatorWithStackMemory;`