Inverted syntax: Difference between revisions
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unless ($guess = 6) { print "Sorry, your guess was wrong!"; } # Traditional syntax |
unless ($guess = 6) { print "Sorry, your guess was wrong!"; } # Traditional syntax |
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print 'Huh! You Guessed Wrong!' unless ($guess == 6); # Inverted syntax</lang> |
print 'Huh! You Guessed Wrong!' unless ($guess == 6); # Inverted syntax</lang> |
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=={{header|Python}}== |
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<lang python>x = truevalue if condition else falsevalue</lang> |
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{{omit from|Tcl|The language syntax really doesn't allow this.}} |
{{omit from|Tcl|The language syntax really doesn't allow this.}} |
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Revision as of 14:35, 31 May 2011
You are encouraged to solve this task according to the task description, using any language you may know.
In traditional syntax conditional expressions are usually shown before the action within a statement or code block:
<lang psuedocode> IF raining=true THEN needumbrella=true </lang>
In inverted syntax, the action is listed before the expression in the statement or code block:
<lang psuedocode> needumbrella=true IF raining=true </lang>
The task is to demonstrate support for inverted syntax forms within the language by showing both the traditional and inverted forms.
Perl
<lang perl>if ($guess == 6) { print "Wow! Lucky Guess!"; }; # Traditional syntax print 'Wow! Lucky Guess!' if ($guess == 6); # Inverted syntax (note missing braces) unless ($guess = 6) { print "Sorry, your guess was wrong!"; } # Traditional syntax print 'Huh! You Guessed Wrong!' unless ($guess == 6); # Inverted syntax</lang>
Python
<lang python>x = truevalue if condition else falsevalue</lang>