i tell you a quick story of NASA. their engineer blew up several million satellite project because one of their engineer wrote "delta = 2" instead "delta == 2"(comparison vs assignment operator)
Search for "Climate Orbiter spacecraft software bug" or millennium bug. It was one liner code something like "someVar = 2 instead someVar == 2" which compiler was failed to execute due to os limitation of that time
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Search for "Climate Orbiter spacecraft software bug" or millennium bug. It was one liner code something like "someVar = 2 instead someVar == 2" which compiler was failed to execute due to os limitation of that time