1 Introduction

In response to LEWG direction on [LWG4361], this paper provides wording to make the receiver_of and sender_to concepts exposition-only for C++26.

2 Wording

Instructions to the editor:

After applying all other papers moved during the Croydon meeting except [P4154R0], make the following changes in Clause 33 [exec]:

• Add an // exposition only comment to the declaration of sender_to in 33.4 [execution.syn] and its definition in 33.9.3 [exec.snd.concepts].
• Add an // exposition only comment to the declaration of receiver_of in 33.4 [execution.syn] and its definition in 33.7.1 [exec.recv.concepts].
• Replace all instances of sender_to with sender-to.
• Replace all instances of receiver_of with receiver-of.

3 References