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Update README

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Přemysl Eric Janouch 2017-05-26 12:49:15 +02:00
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@ -167,8 +167,12 @@ Install development packages for GNU Readline to get a REPL for toying around:
Possible Ways of Complicating Possible Ways of Complicating
----------------------------- -----------------------------
* variable scoping: the simplest is to set values in the nearest scope they * variable scoping: lexical scoping is deemed too complex. The simplest is to
can be found in but make `arg` an exception to that, just like in AWK look up and set values in the nearest dynamic scope they can be found in,
or globally if not found, and have `arg` create the scopes, which also makes
AWK-style local variables work. A convention of starting locally bound names
with an underscore can keep the global namespace always accessible, and even
overridable if needed.
* reference counting: currently all values are always copied as needed, which * reference counting: currently all values are always copied as needed, which
is good enough for all imaginable use cases, simpler and less error-prone is good enough for all imaginable use cases, simpler and less error-prone