[swift-users] true false vs yes no

[Isaac Gouy]

On Sunday, February 7, 2016 8:23 AM, Oliver M <selectedfordeletion at yahoo.com> wrote:


>The term "isLightOn" due to it sounding like a question suggests it having variability 

> (being a variable): isLightOn = yes ; isLightOn = no ; both seem logically valid.

In programming, the term does not stand alone; the term has a context provided by other code statements -- if, while ...

if isLightOn { }


while isLightOn { }

Those seem like peculiar questions.


>The term "lightIsOn" due to it sounding like an answer suggests it being non-variable (being a value, perhaps an enum) conditionOfLight = lightIsOn ; conditionOfLight = lightIsDimmed ;
> conditionOfLight = lightIsOff; seem logically valid.

When more than 2 states are needed, Yes/No True/False won't be enough.