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# Miscellaneous viper tests.
import micropython
# viper function taking and returning ints
@micropython.viper
def viper_int(x: int, y: int) -> int:
return x + y + 3
print(viper_int(1, 2))
# viper function taking and returning objects
@micropython.viper
def viper_object(x: object, y: object) -> object:
return x + y
print(viper_object(1, 2))
# return None as non-object (should return 0)
@micropython.viper
def viper_ret_none() -> int:
return None
print(viper_ret_none())
# return Ellipsis as object
@micropython.viper
def viper_ret_ellipsis() -> object:
return ...
print(viper_ret_ellipsis())
# 3 args
@micropython.viper
def viper_3args(a: int, b: int, c: int) -> int:
return a + b + c
print(viper_3args(1, 2, 3))
# 4 args
@micropython.viper
def viper_4args(a: int, b: int, c: int, d: int) -> int:
return a + b + c + d
print(viper_4args(1, 2, 3, 4))
# a local (should have automatic type int)
@micropython.viper
def viper_local(x: int) -> int:
y = 4
return x + y
print(viper_local(3))
# without type annotation, types should default to object
@micropython.viper
def viper_no_annotation(x, y):
return x * y
print(viper_no_annotation(4, 5))
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