Constructor
new Functional()
A set of functional utility functions.
- Source:
Methods
callFactory(factory) → {T}
Calls a factory function while allowing it to be a constructor for
reverse-compatibility.
Parameters:
| Name | Type | Description |
|---|---|---|
factory |
function():!T |
- Source:
Returns:
- Type
- T
collapseArrays(allnon-null, partnon-null) → {Array.<T>}
Returns the first array concatenated to the second; used to collapse an
array of arrays into a single array.
Parameters:
| Name | Type | Description |
|---|---|---|
all |
Array.<T> | |
part |
Array.<T> |
- Source:
Returns:
- Type
- Array.<T>
createFallbackPromiseChain(arraynon-null, callback) → {Promise.<RESULT>}
Creates a promise chain that calls the given callback for each element in
the array in a catch of a promise.
e.g.:
Promise.reject().catch(callback(array[0])).catch(callback(array[1]));
Parameters:
| Name | Type | Description |
|---|---|---|
array |
Array.<ELEM> | |
callback |
function(ELEM): !Promise.<RESULT> |
- Source:
Returns:
- Type
- Promise.<RESULT>
ignored(…args)
A no-op function that ignores its arguments. This is used to suppress
unused variable errors.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
args |
* |
<repeatable> |
- Source:
isNotNull(value) → {boolean}
Returns if the given value is not null; useful for filtering out null
values.
Parameters:
| Name | Type | Description |
|---|---|---|
value |
T |
- Source:
Returns:
- Type
- boolean