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repeat until in Lua - a one or more rather than a zero or more loop

The "repeat until" structure in Lua provides a loop with condition checking at the end - in other words, it's a "one or more times" loop, unlike while which is a "zero or more times" loop.

Syntax - straightforward; example:

  repeat
    io.write("How many people? ")
    said = tonumber(io.read())
  until said


note - no do, no then and no end. Sample program [here].
(written 2015-11-05)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
U103 - Lua - Conditionals and loops
  [4323] Learning to program - Loop statements such as while - (2014-11-22)
  [4322] Learning to Program - the conditional statement (if) - (2014-11-21)
  [4272] Lazy operators in Lua - what they mean, and examples - (2014-05-05)
  [3686] The goto statement in Lua - (2012-04-06)
  [3558] Python or Lua - which should I use / learn? - (2011-12-21)
  [3397] Does a for loop evaluate its end condition once, or on every iteration? - (2011-08-18)
  [2455] Lua examples - coroutines, error handling, objects, etc - (2009-10-15)
  [2454] For loops in Lua - (2009-10-14)
  [2351] Ternary operators alternatives - Perl and Lua lazy operators - (2009-08-12)
  [1738] Clean code, jump free (Example in Lua) - (2008-08-06)
  [1696] Saying NOT in Perl, PHP, Python, Lua ... - (2008-07-04)
  [1685] Short circuit evaluation (lazy operator) in Lua - (2008-06-22)


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Rail electrification - far, far too optimistic so over budget and late
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If it's Tuesday it must be Belgium?
Learning not just what a program does, but how to design it in the first place.
repeat until in Lua - a one or more rather than a zero or more loop
Classic style OO code - in Lua
Tables with values and code in Lua - looks like an object?
Lua - using modules to add your own utilities
A warm welcome awaits you at Well House Manor, Melksham
Lua - changes to how integers and floats are handled - 5.2 to 5.3
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