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Home/ Questions/Q 9001957
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Editorial Team
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Editorial Team
Asked: June 16, 20262026-06-16T00:30:21+00:00 2026-06-16T00:30:21+00:00

I am playing a little bit with Lua. I came across the following code

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I am playing a little bit with Lua.

I came across the following code snippet that have an unexpected behavior:

a = 3;
b = 5;
c = a-- * b++; // some computation
print(a, b, c);

Lua runs the program without any error but does not print 2 6 15 as expected. Why ?

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  1. Editorial Team
    Editorial Team
    2026-06-16T00:30:22+00:00Added an answer on June 16, 2026 at 12:30 am

    -- starts a single line comment, like # or // in other languages.

    So it’s equivalent to:

    a = 3;
    b = 5;
    c = a
    
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