cppdraft_translate/cppdraft/exec/get/env.md

[exec.get.env]

33 Execution control library [exec]

33.5 Queries [exec.queries]

33.5.4 execution​::​get_env [exec.get.env]

1

#

execution​::​get_env is a customization point object.

For a subexpression o,execution​::​get_env(o) is expression-equivalent to:

• (1.1)

  MANDATE-NOTHROW(AS-CONST(o).get_env()) if that expression is well-formed. Mandates: The type of the expression above satisfiesqueryable ([exec.queryable]).

• (1.2)

  Otherwise, env<>{}.

2

#

The value of get_env(o) shall be valid while o is valid.

3

#

[Note 1:

When passed a sender object,get_env returns the sender's associated attributes.

When passed a receiver,get_env returns the receiver's associated execution environment.

— end note]