Comparison of The Different Conditional Constructs link

Use if Statement link

• Use an if statement if:
  • It is desired to test the truthiness of an expression
  • There is a single affirmative test
  • There is a need to evaluate different expressions for each branch
  • It can test expressions based on ranges of values or conditions

Use match Statement link

• Use a match statement if:
  • It is desired to compare multiple possible conditions of an expression
  • The values belong to the same domain
  • It can test expressions based on values only, i.e., condition cannot take ranges

Use if let Statement link

• Use an if let statement if:
  • There is a pattern in the condition and it is to be matched with the scrutinee expression