Has type bool a a a.
Ruby if then else inline.
Num 10 if num 0 num 1 end puts num 11 when to use if.
Notice ruby uses elsif not else if nor elif.
A traditional if else construct in ruby is written.
Ternary shortened if statement syntax.
The if else statement.
If the conditional is not true code specified in the else clause is executed.
This could also be written as.
Executes code if the conditional is true.
An if expression s conditional is separated from code by the reserved word then a newline or a semicolon.
The values false and nil are false and everything else are true.
If var 10 print variable is 10 elsif var 20 print variable is 20 else print variable is something else end.
These can be rewritten as the following statement.
The expression if predicate then expr1 else expr2.
Num 10 num 1 if num 0 puts num 11.
Result if a b x else y end.
You re saying if this is not true then do this.
If stock 1 puts sorry we are out of stock else puts thanks for your order end.
Remember using unless in ruby is just the reverse of using if.
Note that else if is actually spelled elsif without the e.
You can also say if this is not true then do this other thing.
The built in if then else syntax is inline.