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Top 10 Examples of "singledispatch in functional component" in Python

Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'singledispatch' in functional components in Python. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.

def methdispatch(func):
    dispatcher = singledispatch(func)

    def wrapper(*args, **kw):
        try:
            return dispatcher.dispatch(args[1].__class__)(*args, **kw)
        except IndexError:
            return dispatcher.dispatch(args[0].__class__)(*args, **kw)
    wrapper.register = dispatcher.register
    update_wrapper(wrapper, func)
    return wrapper
def __init__(self, *args, **kwargs):
                super(TracingDict, self).__init__(*args, **kwargs)
                self.set_ops = []
                self.get_ops = []
            def __getitem__(self, key):
                result = self.data[key]
                self.get_ops.append(key)
                return result
            def __setitem__(self, key, value):
                self.set_ops.append(key)
                self.data[key] = value
            def clear(self):
                self.data.clear()
        _orig_wkd = functools.WeakKeyDictionary
        td = TracingDict()
        functools.WeakKeyDictionary = lambda: td
        c = collections
        @functools.singledispatch
        def g(arg):
            return "base"
        d = {}
        l = []
        self.assertEqual(len(td), 0)
        self.assertEqual(g(d), "base")
        self.assertEqual(len(td), 1)
        self.assertEqual(td.get_ops, [])
        self.assertEqual(td.set_ops, [dict])
        self.assertEqual(td.data[dict], g.registry[object])
        self.assertEqual(g(l), "base")
        self.assertEqual(len(td), 2)
        self.assertEqual(td.get_ops, [])
        self.assertEqual(td.set_ops, [dict, list])
c.MutableSet.register(X)       # Will invalidate the cache.
        self.assertEqual(len(td), 2)   # Stale cache.
        self.assertEqual(g(l), "list")
        self.assertEqual(len(td), 1)
        g.register(c.MutableMapping, lambda arg: "mutablemapping")
        self.assertEqual(len(td), 0)
        self.assertEqual(g(d), "mutablemapping")
        self.assertEqual(len(td), 1)
        self.assertEqual(g(l), "list")
        self.assertEqual(len(td), 2)
        g.register(dict, lambda arg: "dict")
        self.assertEqual(g(d), "dict")
        self.assertEqual(g(l), "list")
        g._clear_cache()
        self.assertEqual(len(td), 0)
        functools.WeakKeyDictionary = _orig_wkd
from collections import UserDict
        class TracingDict(UserDict):
            def __init__(self, *args, **kwargs):
                super(TracingDict, self).__init__(*args, **kwargs)
                self.set_ops = []
                self.get_ops = []
            def __getitem__(self, key):
                result = self.data[key]
                self.get_ops.append(key)
                return result
            def __setitem__(self, key, value):
                self.set_ops.append(key)
                self.data[key] = value
            def clear(self):
                self.data.clear()
        _orig_wkd = functools.WeakKeyDictionary
        td = TracingDict()
        functools.WeakKeyDictionary = lambda: td
        c = collections
        @functools.singledispatch
        def g(arg):
            return "base"
        d = {}
        l = []
        self.assertEqual(len(td), 0)
        self.assertEqual(g(d), "base")
        self.assertEqual(len(td), 1)
        self.assertEqual(td.get_ops, [])
        self.assertEqual(td.set_ops, [dict])
        self.assertEqual(td.data[dict], g.registry[object])
        self.assertEqual(g(l), "base")
        self.assertEqual(len(td), 2)
self.assertEqual(td.set_ops, [dict, list])
        g.register(list, lambda arg: "list")
        self.assertEqual(td.get_ops, [list, dict])
        self.assertEqual(len(td), 0)
        self.assertEqual(g(d), "base")
        self.assertEqual(len(td), 1)
        self.assertEqual(td.get_ops, [list, dict])
        self.assertEqual(td.set_ops, [dict, list, dict])
        self.assertEqual(td.data[dict],
                         functools._find_impl(dict, g.registry))
        self.assertEqual(g(l), "list")
        self.assertEqual(len(td), 2)
        self.assertEqual(td.get_ops, [list, dict])
        self.assertEqual(td.set_ops, [dict, list, dict, list])
        self.assertEqual(td.data[list],
                         functools._find_impl(list, g.registry))
        class X:
            pass
        c.MutableMapping.register(X)   # Will not invalidate the cache,
                                       # not using ABCs yet.
        self.assertEqual(g(d), "base")
        self.assertEqual(g(l), "list")
        self.assertEqual(td.get_ops, [list, dict, dict, list])
        self.assertEqual(td.set_ops, [dict, list, dict, list])
        g.register(c.Sized, lambda arg: "sized")
        self.assertEqual(len(td), 0)
        self.assertEqual(g(d), "sized")
        self.assertEqual(len(td), 1)
        self.assertEqual(td.get_ops, [list, dict, dict, list])
        self.assertEqual(td.set_ops, [dict, list, dict, list, dict])
        self.assertEqual(g(l), "list")
        self.assertEqual(len(td), 2)
self.assertEqual(td.data[dict], g.registry[object])
        self.assertEqual(td.data[list], g.registry[object])
        self.assertEqual(td.data[dict], td.data[list])
        self.assertEqual(g(l), "base")
        self.assertEqual(g(d), "base")
        self.assertEqual(td.get_ops, [list, dict])
        self.assertEqual(td.set_ops, [dict, list])
        g.register(list, lambda arg: "list")
        self.assertEqual(td.get_ops, [list, dict])
        self.assertEqual(len(td), 0)
        self.assertEqual(g(d), "base")
        self.assertEqual(len(td), 1)
        self.assertEqual(td.get_ops, [list, dict])
        self.assertEqual(td.set_ops, [dict, list, dict])
        self.assertEqual(td.data[dict],
                         functools._find_impl(dict, g.registry))
        self.assertEqual(g(l), "list")
        self.assertEqual(len(td), 2)
        self.assertEqual(td.get_ops, [list, dict])
        self.assertEqual(td.set_ops, [dict, list, dict, list])
        self.assertEqual(td.data[list],
                         functools._find_impl(list, g.registry))
        class X:
            pass
        c.MutableMapping.register(X)   # Will not invalidate the cache,
                                       # not using ABCs yet.
        self.assertEqual(g(d), "base")
        self.assertEqual(g(l), "list")
        self.assertEqual(td.get_ops, [list, dict, dict, list])
        self.assertEqual(td.set_ops, [dict, list, dict, list])
        g.register(c.Sized, lambda arg: "sized")
        self.assertEqual(len(td), 0)
def test_c3_abc(self):
        c = collections
        mro = functools._c3_mro
        class A(object):
            pass
        class B(A):
            def __len__(self):
                return 0   # implies Sized
        @c.Container.register
        class C(object):
            pass
        class D(object):
            pass   # unrelated
        class X(D, C, B):
            def __call__(self):
                pass   # implies Callable
        expected = [X, c.Callable, D, C, c.Container, B, c.Sized, A, object]
        for abcs in permutations([c.Sized, c.Callable, c.Container]):
            self.assertEqual(mro(X, abcs=abcs), expected)
def test_compose_mro(self):
        # None of the examples in this test depend on haystack ordering.
        c = collections
        mro = functools._compose_mro
        bases = [c.Sequence, c.MutableMapping, c.Mapping, c.Set]
        for haystack in permutations(bases):
            m = mro(dict, haystack)
            self.assertEqual(m, [dict, c.MutableMapping, c.Mapping, c.Sized,
                                 c.Iterable, c.Container, object])
        bases = [c.Container, c.Mapping, c.MutableMapping, c.OrderedDict]
        for haystack in permutations(bases):
            m = mro(c.ChainMap, haystack)
            self.assertEqual(m, [c.ChainMap, c.MutableMapping, c.Mapping,
                                 c.Sized, c.Iterable, c.Container, object])

        # If there's a generic function with implementations registered for
        # both Sized and Container, passing a defaultdict to it results in an
        # ambiguous dispatch which will cause a RuntimeError (see
        # test_mro_conflicts).
        bases = [c.Container, c.Sized, str]
@singledispatch
def tosexp(obj, **kwds):
    """
    Convert an object to an S-expression (`dumps` is just calling this).

    See this table for comparison of lispy languages, to support them
    as much as possible:
    `Lisp: Common Lisp, Scheme/Racket, Clojure, Emacs Lisp - Hyperpolyglot
    `_

    Most classes can be supported by tosexp() by adding a __to_lisp_as__ method
    that returns a restructuring of an instance. The method can use builtin
    types, sexpdata hinting classes, and instances of classes that have
    tosexp() support.

    Methods that require customizing the recursion or output string of tosexp()
    should be registered with @sexpdata.tosexp.register(). Also the default
@singledispatch
def dds(var, level=0, sequence=0):
    """Single dispatcher that generates the DDS response."""
    raise StopIteration

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