mirror of
https://git.code.sf.net/p/quake/quakeforge
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more stuff
This commit is contained in:
Bill Currie
parent
38c7505fe6
commit
374d229a0e
1 changed files with 465 additions and 3 deletions
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@ -22,6 +22,15 @@
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\papersides 1
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\paperpagestyle default
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\layout Standard
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This is currently just new stuff in
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\family typewriter
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\series bold
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qfcc
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\family default
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\series default
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.
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\layout Section
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New Type Features
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@ -158,7 +167,7 @@ y useful for engine interface functions).
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\layout Subsection
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Arrays
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\layout Standard
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\layout Verse
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\family typewriter
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@ -187,7 +196,7 @@ Complex types can be created by nesting type declarations within
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\family default
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s.
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eg:
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\layout Standard
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\layout Verse
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\family typewriter
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@ -298,7 +307,7 @@ Initialization
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Local variables of basic types can now be initialized when declared.
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eg
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\layout Standard
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\layout Verse
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\family typewriter
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@ -404,4 +413,457 @@ think
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\family default
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in vararg functions.
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Not valid elsewhere.
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\layout Section
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Code constructs
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\layout Subsection
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\family typewriter
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break
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\layout Standard
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The
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\family typewriter
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break
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\family default
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statement can be used to leave a loop (
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\family typewriter
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while
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\family default
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,
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\family typewriter
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do
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\family default
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...
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\family typewriter
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while
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\family default
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, or
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\family typewriter
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for
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\family default
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) prematurely.
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The
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\family typewriter
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break
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\family default
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statement is also used to leave a
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\family typewriter
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switch
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\family default
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statement.
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\layout Subsection
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\family typewriter
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continue
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\layout Standard
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The
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\family typewriter
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continue
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\family default
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statement is used to jump to the beginning of a loop.
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In
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\family typewriter
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for
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\family default
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loops, the test and post expressions are evaluated before continuing with
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the loop.
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\layout Subsection
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\family typewriter
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for
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\layout Standard
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The
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\family typewriter
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for
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\family default
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loop is:
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\layout Verse
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\family typewriter
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for (
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\emph on
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initialization expression
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\emph default
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;
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\emph on
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test expression
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\emph default
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;
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\emph on
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post expression
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\emph default
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)
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\emph on
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\newline
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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statement
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\layout Standard
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and is equivalent to
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\layout Verse
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\family typewriter
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\emph on
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initialization expression
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\emph default
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\newline
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while (
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\emph on
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test expression
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\emph default
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) {
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\newline
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\emph on
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statement
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\emph default
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\newline
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\emph on
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post expression
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\emph default
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\newline
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}
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\layout Subsection
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\family typewriter
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switch
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\layout Standard
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The
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\family typewriter
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switch
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\family default
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statement is used to select between multiple code blocks based on the value
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of an expression.
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\layout Verse
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\family typewriter
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switch (
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\emph on
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test expression
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\emph default
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) {
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\newline
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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case
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\emph on
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value
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\emph default
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:
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\newline
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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optional statements
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\newline
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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case
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\emph on
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value
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\emph default
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:
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\newline
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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optional statements
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\newline
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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default:
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\newline
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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\SpecialChar ~
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optional statements
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\newline
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}
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\layout Standard
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Code execution starts at the selected
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\family typewriter
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case
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\family default
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and continues on to the end of the switch block.
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Following
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\family typewriter
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case
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\family default
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s do
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\emph on
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not
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\emph default
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affect code execution.
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If this behaviour is not desired, as is usual, then a
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\family typewriter
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break
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\family default
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statement is required to cause the code to jump to the end of the
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\family typewriter
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switch
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\family default
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, skipping any intervening code.
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That is, just like C.
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\layout Subsubsection
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\family typewriter
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\emph on
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test expression
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\layout Standard
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The test expression may result in a float, string or integer value.
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\layout Subsubsection
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\family typewriter
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case
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\emph on
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value
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\layout Verse
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\family typewriter
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case
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\emph on
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value
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\emph default
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:
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\layout Standard
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The case value may be of any constant type consistent with the test expression
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of the
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\family typewriter
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switch
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\family default
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.
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\layout Subsubsection
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\family typewriter
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default
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\layout Standard
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If specified, this is where execution will go when no
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\family typewriter
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case
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\family default
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has been selected by the test expression.
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If not specified, and no
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\family typewriter
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case
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\family default
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has been selected by the test expression, the
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\family typewriter
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switch
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\family default
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does not execute any code within the block.
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\layout Section
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Expressions
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\layout Subsection
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Binary
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\layout List
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\labelwidthstring 00.00.0000
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\family typewriter
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<<\SpecialChar ~
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>>
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\family default
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bit shift left and right
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\layout List
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\labelwidthstring 00.00.0000
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\family typewriter
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^
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\family default
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bitwise exclusive or
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\layout List
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\labelwidthstring 00.00.0000
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\family typewriter
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%
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\family default
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modulus
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\layout Subsubsection
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Assignment
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\layout List
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\labelwidthstring 00.00.0000
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\family typewriter
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\emph on
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op
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\emph default
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=
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\family default
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equivalent to
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\family typewriter
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a = a
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\emph on
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op
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\emph default
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b
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\family default
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.
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\layout Subsection
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Unary
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\layout List
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\labelwidthstring 00.00.0000
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\family typewriter
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~
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\family default
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bitwise not
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\layout List
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\labelwidthstring 00.00.0000
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\family typewriter
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&
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\family default
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address
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\layout List
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\labelwidthstring 00.00.0000
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\family typewriter
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++
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\emph on
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e
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\emph default
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\SpecialChar ~
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--
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\emph on
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e
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\family default
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\emph default
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pre increment and decrement
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\layout List
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\labelwidthstring 00.00.0000
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\family typewriter
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\emph on
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e
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\emph default
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++\SpecialChar ~
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\emph on
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e
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\emph default
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--
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\family default
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post increment and decrement
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\layout Subsection
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Other
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\layout List
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\labelwidthstring 00.00.0000
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\family typewriter
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\emph on
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type\SpecialChar ~
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\emph default
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(
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\emph on
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expr
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\emph default
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)
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\family default
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cast expression.
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Only works for converting between integer and float types and between pointer
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types.
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\layout List
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\labelwidthstring 00.00.0000
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\family typewriter
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\emph on
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expr
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\emph default
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[
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\emph on
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expr
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\emph default
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]
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\family default
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array indexing.
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\layout List
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\labelwidthstring 00.00.0000
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\family typewriter
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\emph on
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expr
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\emph default
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?
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\emph on
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expr
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\emph default
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:
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\emph on
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expr
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\family default
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\emph default
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C's trinary expression
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\the_end
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