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exclusive_when

mutate.exclusive_when

(R 
type
, C 
type
:
Function, F 
type
: Function R, condition C, code F)
 => 
R
exclusively wait for the given condition to hold and then perform given code with
exclusive access to the mutable values created with this instance of `mutate`.
Precondition
pre
  safety: is_this_mutate_instated_and_usable

Type Parameters

0.097dev (GIT hash 6a5de4939ddf29875c1d9a706508d9bfd0cd7ca9)
last changed: 2026-06-09