Swift Opertors - Basic Part 2

Comparision Operator

• Equal To (==)
• Not Equal (!=)
• Less than (<)
• Greater than (>)
• Less than or Equal to (<=)
• Greater than or Equal to (>=)

It reruns either true or false, it is used in if conditional statements.

Tubles comparision:  

                 Left to right comparision, if first element same as second then only it goes for second element comparision.

Ternary Conditional Operator:

• Question ? answer1: answer 2
• Example answer = 2 < 5 ? true: false

Nil Coalescing Operator: (??)

• a ?? b
• It unwraps an optional a if it contains a value, or returns a default value bif a is nil.
• a is an optional type here
• b must  match with the type that is stored inside a.