Runtime evaluation: Difference between revisions

reword to avoid "executing programs" language
(→‎{{header|Common Lisp}}: er two Common Lisp headers, someone should look at it)
(reword to avoid "executing programs" language)
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{{task}} Demonstrate your language's ability for programs to execute othercode programswritten in the language provided at runtime. Show us what kind of programs (or program fragments) are permitted (e.g. expressions vs. statements), how you get values in and out (e.g. environments, arguments, return values), if applicable what lexical/static environment the program is evaluated in, and what facilities for restricting (e.g. sandboxes, resource limits) or specializingcustomizing (e.g. debugging facilities) the execution.
 
You may not invoke a separate evaluator program, or invoke a compiler and then its output, unless the interface of that program, and the syntax and means of executing it, are considered part of your language/library/platform.
 
For a more restrictedconstrained task giving a specific program fragment to evaluate, see [[Eval in environment]].
 
=={{header|ALGOL 68}}==