map_type

The function must be called on a list with Ids (integer values) or things and returns a new list with the Ids and things converted to corresponding typed things.

// Take as example:
my_list.map_type('MyType');

// This is a fast shortcut for:
my_list.map(|item| MyType(item));

This function does not generate a change.

Function

array.map_type(Type)

Arguments

Return value

A new list with each item of the original list converted to a typed thing of the given Type.

Example

This code shows an example using map_type(..):

set_type('User', {name: 'str', age: 'int'});
users = [{name: "Iris", age: 9}, {name: "Sasha", age: 37}];

// returns a list with things of type User
users = users.map_type('User');

// every item is of type User
assert( users.every(|item| type(item) == 'User') );

// return the list of users
users

Return value in JSON format

[
    {
        "name": "Iris",
        "age": 9
    },
    {
        "name": "Sasha",
        "age": 37
    }
]