Conditions
Use If to conditionally execute a block.
Basic If
engling
Let x be 10.
If x is greater than 5, then
Print "Big".
End.The comma and then are part of the syntax.
Otherwise
engling
Let score be 75.
If score is greater than or equal to 60, then
Print "Pass".
Otherwise
Print "Fail".
End.Only one branch executes.
Combining conditions
engling
Let age be 25.
Let has_id be true.
If age is greater than 18 and has_id, then
Print "Allowed".
End.and combines boolean expressions. or is also supported.
Truthy values
Conditions are evaluated using the runtime value's truthiness. See Data Types.
Common syntax mistake
This is invalid:
engling
If x is greater than 5
Print "Big".
End.The If grammar requires:
engling
If x is greater than 5, then