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Function returning function


By : hello.m
Date : October 16 2020, 06:10 PM
I wish this help you
Whereases I was expecting it to log name passed as parameter (varun).
code :
function updateData(updatedData) {
     return function (dispatch) {
         console.log({updatedData, dispatch});
     }
}

const returned_function = updateData(1);
returned_function(2);
returned_function(3);


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PHP function error Can't use function return value in write context - function returning an array. Brain slowly implodin


By : Crasy Jackes
Date : March 29 2020, 07:55 AM
it fixes the issue You have written code that looks like it's calling a function, when you just want to assign to a variable.
This
code :
$image_details();
$image_details() = select_image_styles_from_category($category);

Is there a library function in Python to turn a generator-function into a function returning a list?


By : Bulldog78
Date : March 29 2020, 07:55 AM
wish helps you To the best of my knowledge (and I've looked, because I've wondered exactly the same thing), no: there is no direct way of doing this with the standard library.
There is a thoroughly tested listify wrapper in unstdlib.py library, though: https://github.com/shazow/unstdlib.py/blob/master/unstdlib/standard/list_.py#L149
code :
def listify(fn=None, wrapper=list):
    """
    A decorator which wraps a function's return value in ``list(...)``.

    Useful when an algorithm can be expressed more cleanly as a generator but
    the function should return an list.

    Example::

        >>> @listify
        ... def get_lengths(iterable):
        ...     for i in iterable:
        ...         yield len(i)
        >>> get_lengths(["spam", "eggs"])
        [4, 4]
        >>>
        >>> @listify(wrapper=tuple)
        ... def get_lengths_tuple(iterable):
        ...     for i in iterable:
        ...         yield len(i)
        >>> get_lengths_tuple(["foo", "bar"])
        (3, 3)
    """
    def listify_return(fn):
        @wraps(fn)
        def listify_helper(*args, **kw):
            return wrapper(fn(*args, **kw))
        return listify_helper
    if fn is None:
        return listify_return
    return listify_return(fn)

Bind/assignment operator works for function returning String but not for function returning Int


By : toukou
Date : March 29 2020, 07:55 AM
This might help you why does Prog A compile and run fine, whereas Prog B fails to compile? , With do-notation, this code:
code :
mydofn a = do 
  x <- func a
  return x
mydofn a = func a >>= (\x -> return x)
instance  Monad []  where
    m >>= k             = foldr ((++) . k) [] m
    return x            = [x]
mydofn a = foldr ((++) . (\x -> [x])) [] (func a)
mydofn a = concat . map (\x -> [x]) $ func a

Demonstrate the difference in performance of function returning value and function not returning any value both function


By : mfs_Priyanka
Date : March 29 2020, 07:55 AM
help you fix your problem A value returned from a method is stored in a register (at least under ARM and <= 16-bytes; see the accepted answer to this question) and so that difference between the methods is irrelevant when a reference is returned.
A method returning a struct on the other hand will be more relevant, given the struct must be copied back to the caller.

Jquery: Why is function returning global var when calling a function inside a function?


By : hmbl
Date : March 29 2020, 07:55 AM
With these it helps Because of variable hoisting, your function
code :
function bar() {
    foo = 10;
    return;
    function foo() { }
}
function bar() {
    var foo; // hoisted variable declaration
    foo = 10; // now it is a number with value 10
    return; // here the function stops executing
    foo = function foo() { }; // now the variable *would* be a function, but this code is never reached
}
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