def set_constructor(context, builder, sig, args):
set_type = sig.return_type
items_type, = sig.args
items, = args
# If the argument has a len(), preallocate the set so as to
# avoid resizes.
n = call_len(context, builder, items_type, items)
inst = SetInstance.allocate(context, builder, set_type, n)
with for_iter(context, builder, items_type, items) as loop:
inst.add(loop.value)
return impl_ret_new_ref(context, builder, set_type, inst.value)
def set_constructor(context, builder, sig, args):
set_type = sig.return_type
items_type, = sig.args
items, = args
# If the argument has a len(), preallocate the set so as to
# avoid resizes.
n = call_len(context, builder, items_type, items)
inst = SetInstance.allocate(context, builder, set_type, n)
with for_iter(context, builder, items_type, items) as loop:
inst.add(loop.value)
return impl_ret_new_ref(context, builder, set_type, inst.value)
def set_update(context, builder, sig, args):
inst = SetInstance(context, builder, sig.args[0], args[0])
items_type = sig.args[1]
items = args[1]
# If the argument has a len(), assume there are few collisions and
# presize to len(set) + len(items)
n = call_len(context, builder, items_type, items)
if n is not None:
new_size = builder.add(inst.payload.used, n)
inst.upsize(new_size)
with for_iter(context, builder, items_type, items) as loop:
inst.add(loop.value)
if n is not None:
# If we pre-grew the set, downsize in case there were many collisions
inst.downsize(inst.payload.used)
return context.get_dummy_value()
def set_update(context, builder, sig, args):
inst = SetInstance(context, builder, sig.args[0], args[0])
items_type = sig.args[1]
items = args[1]
# If the argument has a len(), assume there are few collisions and
# presize to len(set) + len(items)
n = call_len(context, builder, items_type, items)
if n is not None:
new_size = builder.add(inst.payload.used, n)
inst.upsize(new_size)
with for_iter(context, builder, items_type, items) as loop:
inst.add(loop.value)
if n is not None:
# If we pre-grew the set, downsize in case there were many collisions
inst.downsize(inst.payload.used)
return context.get_dummy_value()
