Execute HQ9+/Ursala: Difference between revisions
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{{collection|RCHQ9+}}{{implementation|HQ9+}}
In this [[Ursala]] program, there are the following constraints:
Unrecognized operators or a missing input file cause diagnostic messages. Since the accumulator is unreadable and has no operational consequences, its value isn't stored. A line break at the end of the file, if any, is ignored.▼
* Unrecognized operators or a missing input file cause diagnostic messages.
▲
* A line break at the end of the file, if any, is ignored.
<lang Ursala>#import std ▼
▲#import std
#import nat
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{`h: -[Hello, World!]-!,`9: whole_song99!,`+: <>!,`q: ~&l},
% <.'unrecognized operator: '--+ ~&rNC>),
~command.files; ~&itZB?/~&h.contents.&iziyQBLD <'usage: rchq [file]'>!%+-</lang>
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