def removeFirst(lst):
"""
Remueve el primer elemento de la lista
"""
if (lst['type'] == 'ARRAY_LIST'):
alt.removeFirst(lst)
else:
slt.removeFirst(lst)
def removeFirst(lst):
""" Remueve el primer elemento de la lista.
Elimina y retorna el primer elemento de la lista. El tamaño de la lista se decrementa en uno. Si la lista
es vacía se retorna None.
Args:
lst: La lista a examinar
Raises:
Exception
"""
try:
if (lst['type'] == 'ARRAY_LIST'):
return alt.removeFirst(lst)
else:
return slt.removeFirst(lst)
except Exception as exp:
error.reraise(exp, 'List->removeFirst: ')
def test_removeFirst(lstbooks, books):
assert slt.size(lstbooks) == 5
slt.removeFirst(lstbooks)
assert slt.size(lstbooks) == 4
book = slt.getElement(lstbooks, 1)
assert book == books[1]
def test_removeFirst(lstcasting, casting):
assert slt.size(lstcasting) == len(casting)
slt.removeFirst(lstcasting)
assert slt.size(lstcasting) == len(casting) - 1
cast = slt.getElement(lstcasting, 1)
assert cast == casting[1]
def test_removeFirst(lstpeliculas, peliculas):
assert slt.size(lstpeliculas) == len(peliculas)
slt.removeFirst(lstpeliculas)
assert slt.size(lstpeliculas) == len(peliculas) - 1
pelicula = slt.getElement(lstpeliculas, 1)
assert pelicula == peliculas[1]