Short-circuit evaluation: Difference between revisions
m
→{{header|Wren}}: Changed to Wren S/H
(→Insitux: inclusion) |
m (→{{header|Wren}}: Changed to Wren S/H) |
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Line 1,226:
<syntaxhighlight lang="e">def x := a(i) && (def funky := b(j))</syntaxhighlight>
The choice we make is that <code>funky</code> is ordinary if the right-side expression was evaluated, and otherwise is <em>ruined</em>; attempts to access the variable give an error.
=={{header|EasyLang}}==
<syntaxhighlight lang=easylang>
func a x .
print "->a: " & x
return x
.
func b x .
print "->b: " & x
return x
.
print "1 and 1"
if a 1 = 1 and b 1 = 1
print "-> true"
.
print ""
print "1 or 1"
if a 1 = 1 or b 1 = 1
print "-> true"
.
print ""
print "0 and 1"
if a 0 = 1 and b 1 = 1
print "-> true"
.
print ""
print "0 or 1"
if a 0 = 1 or b 1 = 1
print "-> true"
.
</syntaxhighlight>
=={{header|Ecstasy}}==
Line 1,287 ⟶ 1,318:
=={{header|Elena}}==
ELENA
<syntaxhighlight lang="elena">import system'routines;
import extensions;
Func<bool, bool> a = (bool x){ console.writeLine
Func<bool, bool> b = (bool x){ console.writeLine
const bool[] boolValues = new bool[]{ false, true };
Line 1,299 ⟶ 1,330:
public program()
{
boolValues.forEach::(bool i)
{
boolValues.forEach::(bool j)
{
console.printLine(i," and ",j," = ",a(i) && b(j));
Line 5,108 ⟶ 5,139:
=={{header|Wren}}==
Wren has the '''&&''' and '''||''' short-circuiting operators found in many C family languages.
<syntaxhighlight lang="
System.print(" a called")
return bool
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