Control Structures
These are examples of control structures. You may also be interested in:

 Conditional structures
 Exceptions
 Flow-control structures
 Loops

Task

List the conditional structures offered by a programming language. See Wikipedia: conditionals for descriptions.

Common conditional structures include if-then-else and switch.

Less common are arithmetic if, ternary operator and Hash-based conditionals.

Arithmetic if allows tight control over computed gotos, which optimizers have a hard time to figure out.



clear
set obs 4
gen a = cond(mod(_n, 2)==1, "A", "B")
list, noobs noheader
 
  +---+
  | A |
  | B |
  | A |
  | B |
  +---+