Boolean variables

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    A boolean variable is really just a very small (two state) variable.

    You could use other types of variable in it's place - but in situations where you're only checking for one of two states, using a different variable (data) type would be wasteful .. e.g. you'd be using more memory than you need to.

    Maybe it would help to think of it as a bucket .. empty or full?

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    • sounds more like a switch - on or off.
      bucket could be half full..... of shit      Amicus
    • < true, that is half full of shit - the variable states translate to '0' (true) or 'not 0' (false), which is how you could possibly use another data type .. but you didn't really need the info; is prob unnecessarily confusing.
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    • another data type .. but you didn't really need the info; is prob unnecessarily confusing.
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    • GAH! false is 0, true is non-zero! Ignore me, I need coffee ..
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