def test_load_nonlocal(self):
f = def_(lambda VAR: [
return_[def_(lambda: [
return_[VAR],
])],
])
self.assertEqual(f(4)(), 4)
self.assertEqual(VAR, 1)
def test_load_nonlocal_without_keyword(self):
VAR = 2
f = def_(lambda: [
return_[VAR],
])
self.assertEqual(f(), 2)
def test_load_global_with_keyword(self):
f = def_(lambda: [
global_[VAR],
return_[VAR],
])
self.assertEqual(f(), 1)
def test_set_global_fail_of_no_global_keyword(self):
f = def_(lambda: [
VAR < 2,
return_[VAR],
])
self.assertEqual(f(), 2)
self.assertEqual(VAR, 1)
def test_set_nonlocal_fail_of_no_nonlocal_keyword(self):
VAR = 2
f = def_(lambda: [
VAR < 4,
return_[VAR],
])
self.assertEqual(f(), 4)
self.assertEqual(VAR, 2)
def test_set_global(self):
f = def_(lambda: [
global_[VAR],
VAR < 2,
return_[VAR],
])
self.assertEqual(f(), 2)
self.assertEqual(VAR, 2)
def test_load_nonlocal_with_keyword(self):
VAR = 2
f = def_(lambda: [
nonlocal_[VAR],
return_[VAR, callee_],
])
var, fc = f()
self.assertEqual(var, 2)
self.assertIs(fc, f)
def test_IIFE(self):
import lambdex.compiler.core as core
from lambdex.utils.ast import pprint
core.__DEBUG__ = True
f = def_(lambda: [
ret < [],
for_[i in range(10)][def_(lambda i: [
ret.append(def_(lambda: [
return_[i],
])),
])(i), ],
return_[ret],
])
ret = f()
stored_variables = [x() for x in ret]
self.assertEqual(stored_variables, list(range(10)))
core.__DEBUG__ = False
def test_set_global_while_same_name_variable_exists_in_parent_scope(self):
VAR = 2
f = def_(lambda: [
global_[VAR],
VAR < 4,
return_[VAR],
])
def _assert_global_VAR_is(x):
global VAR
self.assertEqual(VAR, x)
self.assertEqual(f(), 4)
self.assertEqual(VAR, 2)
_assert_global_VAR_is(4)
def test_set_nonlocal(self):
VAR = 2
f = def_(lambda: [
nonlocal_[VAR],
VAR < VAR + 2,
return_[VAR],
])
def _assert_global_VAR_is(x):
global VAR
self.assertEqual(VAR, x)
self.assertEqual(f(), 4)
self.assertEqual(VAR, 4)
_assert_global_VAR_is(1)
def f():
# lxfmt: off
return def_.a(lambda: [return_[1 + 1]]), def_(lambda: [return_[1 + 2]])
def f():
return def_(lambda: [
return_[1 + 1],
])