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# test loading from ptr8 type
@micropython.viper
def get(src:ptr8) -> int:
return src[0]
@micropython.viper
def memadd(src:ptr8, n:int) -> int:
sum = 0
for i in range(n):
sum += src[i]
return sum
@micropython.viper
def memadd2(src_in) -> int:
src = ptr8(src_in)
n = int(len(src_in))
sum = 0
for i in range(n):
sum += src[i]
return sum
b = bytearray(b'1234')
print(b)
print(get(b))
print(memadd(b, 4))
print(memadd2(b))
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