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Verse using statement |
using { /Verse.org/Verse } |
operator'+='(Lhs:[]t, Rhs:[]t where t:any)<transacts><predicts>:[]t
Parameters
operator'+=' takes the following parameters:
| Name | Type | Description |
|---|---|---|
Lhs |
[]t |
|
Rhs |
[]t |
|
t |
any |
Attributes, Specifiers, and Effects
Specifiers
The following specifiers determine how you can interact with operator'+=' in your programs. For the complete list of specifiers, see the Specifiers Page.
Effects
The following effects determine how operator'+=' behaves in your programs. For the complete list of effects, see the Effect Specifers section of the Specifiers Page.
| Effect | Meaning |
|---|---|
transacts |
This effect indicates that any actions performed by the function can be rolled back. The transacts effect is required any time a mutable variable (var) is written. You'll be notified when you compile your code if the transacts effect was added to a function that can't be rolled back. Note that this check is not done for functions with the native specifier. |
predicts |