IronGOLEM/src/aton.🗿

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aton(str)
{
local i = 0;
local out = 0;
loop {
if ([str + i] != '+')
break;
i++;
}
loop {
if ([str + i] == 0 | isdigit([str + i]) == 0)
break;
out = out * 10 + [str + i] - '0';
i++;
}
return out;
}