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<TITLE>LambdaMOO Programmer's Manual - Expressions</TITLE>
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<H2><A NAME="SEC10" HREF="ProgrammersManual_toc.html#TOC10">MOO Language Expressions</A></H2>

<P>
Expressions are those pieces of MOO code that generate values; for
example, the MOO code

<PRE>
3 + 4
</PRE>

<P>
is an expression that generates (or "has" or "returns") the value 7.
There are many kinds of expressions in MOO, all of them discussed below.

</P>

<UL>
<LI><A HREF="ProgrammersManual_11.html#SEC11">Expression Errors</A>: Errors While Evaluating Expressions
<LI><A HREF="ProgrammersManual_12.html#SEC12">Literals</A>: Writing Values Directly in Verbs
<LI><A HREF="ProgrammersManual_13.html#SEC13">Variables</A>: Naming Values Within a Verb
<LI><A HREF="ProgrammersManual_14.html#SEC14">Arithmetic</A>: Arithmetic Operators
<LI><A HREF="ProgrammersManual_15.html#SEC15">Comparisons</A>: Comparing Values
<LI><A HREF="ProgrammersManual_16.html#SEC16">Truth Values</A>: Values as True and False
<LI><A HREF="ProgrammersManual_17.html#SEC17">Indexing</A>: Indexing into Lists and Strings
<LI><A HREF="ProgrammersManual_22.html#SEC22">More On Lists</A>: Other Operations on Lists
<LI><A HREF="ProgrammersManual_23.html#SEC23">Scattering</A>: Spreading List Elements Among Variables
<LI><A HREF="ProgrammersManual_24.html#SEC24">Property Values</A>: Getting and Setting the Values of Properties
<LI><A HREF="ProgrammersManual_25.html#SEC25">Calling</A>: Calling Built-in Functions and Other Verbs
<LI><A HREF="ProgrammersManual_26.html#SEC26">Catch</A>: Catching Errors in Expressions
<LI><A HREF="ProgrammersManual_27.html#SEC27">Precedence</A>: Parentheses and Operator Precedence
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