property
Descriptor helper for computed class fields.
The property type object is in the prelude, so property(...) can be used
without an explicit import.
Constructor
property getter setter?
Builds a property descriptor from a getter and optional setter.
Parameters:
| Name | Type | Description |
|---|---|---|
getter |
func |
callable used for field reads |
setter |
func? |
optional callable used for writes |
Returns: property
class Config
pub let _port = 8080
#[property]
pub def port obj
obj._port
#[port.setter]
pub def port obj value
obj._port = value
Inherits
Methods
get obj
Calls the stored getter with obj.
Parameters:
| Name | Type | Description |
|---|---|---|
obj |
instance being accessed |
Returns: getter result
set obj value
Calls the stored setter with obj and value.
Parameters:
| Name | Type | Description |
|---|---|---|
obj |
instance being assigned | |
value |
new field value |
Returns: setter result
Errors:
- Raises a type error if the property has no setter.
setter fn
Replaces the stored setter and returns the property itself. This is intended for decorator use inside a class body.
Parameters:
| Name | Type | Description |
|---|---|---|
fn |
func |
setter to install |
Returns: self