82 lines
1.7 KiB
Python
82 lines
1.7 KiB
Python
import micropython
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# viper function taking and returning ints
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@micropython.viper
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def viper_int(x:int, y:int) -> int:
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return x + y + 3
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print(viper_int(1, 2))
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# viper function taking and returning objects
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@micropython.viper
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def viper_object(x:object, y:object) -> object:
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return x + y
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print(viper_object(1, 2))
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# a local (should have automatic type int)
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@micropython.viper
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def viper_local(x:int) -> int:
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y = 4
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return x + y
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print(viper_local(3))
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# without type annotation, types should default to object
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@micropython.viper
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def viper_no_annotation(x, y):
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return x * y
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print(viper_no_annotation(4, 5))
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# a for loop
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@micropython.viper
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def viper_for(a:int, b:int) -> int:
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total = 0
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for x in range(a, b):
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total += x
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return total
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print(viper_for(10, 10000))
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# accessing a global
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@micropython.viper
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def viper_access_global():
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global gl
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gl = 1
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return gl
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print(viper_access_global(), gl)
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# calling print with object and int types
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@micropython.viper
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def viper_print(x, y:int):
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print(x, y + 1)
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viper_print(1, 2)
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# making a tuple from an object and an int
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@micropython.viper
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def viper_tuple(x, y:int):
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return (x, y + 1)
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print(viper_tuple(1, 2))
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# making a list from an object and an int
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@micropython.viper
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def viper_list(x, y:int):
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return [x, y + 1]
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print(viper_list(1, 2))
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# making a set from an object and an int
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@micropython.viper
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def viper_set(x, y:int):
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return {x, y + 1}
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print(sorted(list(viper_set(1, 2))))
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# raising an exception
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@micropython.viper
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def viper_raise(x:int):
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raise SystemError(x)
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try:
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viper_raise(1)
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except SystemError as e:
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print(repr(e))
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# this doesn't work at the moment
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#@micropython.viper
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#def g() -> uint:
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# return -1
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