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iffy/a.nim Secret

Created February 13, 2019 19:38
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What in that loop could cause the first string of `res.rows[5]` to be overwritten with nulls?
Raw
a.nim
# type
# AllResult* = object
# rows*: seq[seq[string]]
# cols*: seq[string]
# types*: seq[string]
# res is a `ref AllResult`
for row in res.rows:
var jrow = newJArray()
for col in row:
if col.startsWith("\0\0"):
echo "STARTS WITH NULL"
echo "res.rows[5]: ", res.rows[5].repr
jrow.add(newJString(col))
jrows.add(jrow)
Raw
output.txt
STARTS WITH NULL
res.rows[5]: 0x107b07db8[0x107b41800"5", 0x107b41828"0", 0x107b41850"0", 0x107b41878"INTEGER", 0x107b418a0"deposit", ""]
STARTS WITH NULL
res.rows[5]: 0x107b07db8[0x107b41800"\0\0\0\0", 0x107b41828"0", 0x107b41850"0", 0x107b41878"INTEGER", 0x107b418a0"deposit", ""]
STARTS WITH NULL
res.rows[5]: 0x107b07db8[0x107b41800"\0\0\0\0", 0x107b41828"0", 0x107b41850"0", 0x107b41878"INTEGER", 0x107b418a0"deposit", ""]
STARTS WITH NULL
res.rows[5]: 0x107b07db8[0x107b41800"\0\0\0\0", 0x107b41828"0", 0x107b41850"0", 0x107b41878"INTEGER", 0x107b418a0"deposit", ""]
STARTS WITH NULL
res.rows[5]: 0x107b07db8[0x107b41800"\0\0\0\0", 0x107b41828"0", 0x107b41850"0", 0x107b41878"INTEGER", 0x107b418a0"deposit", ""]
STARTS WITH NULL
res.rows[5]: 0x107b07db8[0x107b41800"\0\0\0\0", 0x107b41828"0", 0x107b41850"0", 0x107b41878"INTEGER", 0x107b418a0"deposit", ""]
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