fuzion-lang.dev — The Fuzion Language Portal
JavaScript seems to be disabled. Functionality is limited.

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: exclusive_allowed

Type Parameters

Arguments

condition
 C
code
 F
0.099dev (GIT hash a35e75388cc5c7a861f5c2a3f42d121e3aab582a)
last changed: 2026-11-03