get
get a value from a dict or list
(any xs, any key, any notFound) -> any
If xs is a dict or list, returns xs[key] if key is present in xs, returns notFound otherwise.
Returns nil if xs is nil or key is nil.
Throws an error if xs is not a list or dict.
Parameters
| Name | Type | Description |
|---|---|---|
xs |
dict or list | The dict or list to access |
key |
string or long | The key or index to access |
notFound |
any |
The value to return in case key is not present in xs |