Be concise.
Be useful.
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if c1 then
f1;
elsif c2 then
f2;
elsif c3 then
f3;
end if;assume that f, g, and h are procedure and that a and b are Boolean
if (c1)
{
f1();
}
else if (c2)
{
f2();
}
else if (c3)
{
f3();
}(cond
c1 (f1)
c2 (f2)
c3 (f3))IDENTIFICATION DIVISION.
PROGRAM-ID. condition.
PROCEDURE DIVISION.
EVALUATE TRUE
WHEN c1
PERFORM f1
WHEN c2
PERFORM f2
WHEN c3
PERFORM f3
END-EVALUATE
STOP RUN.if (c1)
f1();
else if (c2)
f2();
else if (c3)
f3();curly braces must be used if more than one statement follow a condition.
if (c1)
{
f1();
}
else if (c2)
{
f2();
}
else if (c3)
{
f3();
}(c1 && (f1(), true))
|| (c2 && (f2(), true))
|| (c3 && (f3(), true));Just for fun
if (c1)
{
f1();
}
else if (c2)
{
f2();
}
else if (c3)
{
f3();
}if (c1) f1;
else if (c2) f2;
else if (c3) f3;if (c1) {
f1;
} else if (c2) {
f2;
} else if (c3) {
f3;
}cond do
c1 -> f1
c2 -> f2
c3 -> f3
endconditionals must evaluate to boolean
if
C1 -> f1();
C2 -> f2();
C3 -> f3()
end.default if block behaviour
if (c1) then
call f1
else if (c2) then
call f2
else if (c3) then
call f3
end ifif (c1) {
f1()
} else if (c2) {
f2()
} else if (c3) {
f3()
}if c1 then f1
else if c2 then f2
else f3let x | c1 = f1
| c2 = f2
| c3 = f3Assignment guards
c1 ? f1 : c2 ? f2 : f3The ternary operator is great for conciseness and statement-freedom.
It's not so great for clarity.
Oh well. \(^w^)/
It's not so great for clarity.
Oh well. \(^w^)/
if (c1) {
f1();
} else if (c2) {
f2();
} else if (c3) {
f3();
}Using if/else
switch (true) {
case c1:
f1();
break;
case c2:
f2();
break;
case c3:
f3();
break;
}Using switch/case
if (c1) f1();
else if (c2) f2();
else if (c3) f3();if (c1) {
f1();
} else if (c2) {
f2();
} else if (c3) {
f3();
}(cond (c1 (f1))
(c2 (f2))
(c3 (f3)))if (c1) then f1()
elseif (c2) then f2()
elseif (c3) then f3()
endif (c1) f1();
else if (c2) f2();
else if (c3) f3();if ($c1) {
f1();
} else if ($c2) {
f2();
} else if ($c3) {
f3();
}if c1 then f1 else if c2 then f2 else if c3 then f3;if ($c1) { $f1 }
elsif ($c2) { $f2 }
elsif ($c3) { $f3 }
f1() if c1 else f2() if c2 else f3() if c3 else NoneThis is called a conditional expression/ternary operator
if c1:
f1()
elif c2:
f2()
elif c3:
f3()if c1: f1()
elif c2: f2()
elif c3: f3()case
when c1
f1
when c2
f2
when c3
f3
endif c1 { f1() } else if c2 { f2() } else if c3 { f3() }Using if and else
match true {
_ if c1 => f1(),
_ if c2 => f2(),
_ if c3 => f3(),
_ => (),
}Using match and guards
true match {
case _ if c1 => f1()
case _ if c2 => f2()
case _ if c3 => f3()
}Using match with guards
if (c1) {
f1()
} else if (c2) {
f2()
} else if (c3) {
f3()
}
Using if and else
(cond (c1 (f1))
(c2 (f2))
(c3 (f3)))true caseOf: {
[c1] -> [f1].
[c2] -> [f2].
[c3] -> [f3]}
If c1 Then
f1()
ElseIf c2 Then
f2()
else c3 Then
f3()
End If