Maybe try:
parallel:
for i in 0 .. min(counts.high, lines.high):
counts[i] = spawn countBC(lines[i])
RunA better bounds checker is coming soon (?)
Maybe try:
parallel:
for i in 0 .. min(counts.high, lines.high):
counts[i] = spawn countBC(lines[i])
RunA better bounds checker is coming soon (?)