is_empty
is_empty
Function
Determine whether the value is empty.
Syntax
is_empty(value)
Parameters
| Parameters | Type | Required | Default value | Description |
|---|---|---|---|---|
| value | Any | No | None | The value to be judged. |
Return value
| Type | Description |
|---|---|
| Bool | Empty, Null, empty string, empty array, empty object, and empty instance return true. |
Example
result = is_empty([]) // Output: true print result
Notes
- Non-container values such as numbers, Boolean values, functions, and library objects return false.