//===--- Lambda.h - Types for C++ Lambdas -----------------------*- C++ -*-===//
 
//
 
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 
// See https://llvm.org/LICENSE.txt for license information.
 
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
//
 
//===----------------------------------------------------------------------===//
 
///
 
/// \file
 
/// Defines several types used to describe C++ lambda expressions
 
/// that are shared between the parser and AST.
 
///
 
//===----------------------------------------------------------------------===//
 
 
 
 
 
#ifndef LLVM_CLANG_BASIC_LAMBDA_H
 
#define LLVM_CLANG_BASIC_LAMBDA_H
 
 
 
namespace clang {
 
 
 
/// The default, if any, capture method for a lambda expression.
 
enum LambdaCaptureDefault {
 
  LCD_None,
 
  LCD_ByCopy,
 
  LCD_ByRef
 
};
 
 
 
/// The different capture forms in a lambda introducer
 
///
 
/// C++11 allows capture of \c this, or of local variables by copy or
 
/// by reference.  C++1y also allows "init-capture", where the initializer
 
/// is an expression.
 
enum LambdaCaptureKind {
 
  LCK_This,   ///< Capturing the \c *this object by reference
 
  LCK_StarThis, ///< Capturing the \c *this object by copy
 
  LCK_ByCopy, ///< Capturing by copy (a.k.a., by value)
 
  LCK_ByRef,  ///< Capturing by reference
 
  LCK_VLAType ///< Capturing variable-length array type
 
};
 
 
 
} // end namespace clang
 
 
 
#endif // LLVM_CLANG_BASIC_LAMBDA_H