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Respond to an unknown method call: Difference between revisions
Respond to an unknown method call (view source)
Revision as of 16:02, 22 November 2009
, 14 years agoFixed lang tags.
m (→{{header|JavaScript}}: Clean up the wording...) |
m (Fixed lang tags.) |
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Line 17:
(format nil "Do something to ~w." thing))</lang>
Evaluating
<lang lisp>("Do something to 3."
"No method for #<STANDARD-GENERIC-FUNCTION DO-SOMETHING 214FC042> on (4).")</lang>
Line 117 ⟶ 116:
=={{header|OCaml}}==
It is not possible in OCaml to call an undefined method, it will fail when trying to compile the code with an error message:
=={{header|Perl}}==
Line 227 ⟶ 226:
Here is an example of unknown methods being used to call shell commands (this is already defined in the base image):
<lang slate>define: #shell &builder: [lobby newSubSpace].
_@shell didNotUnderstand: message at: position
Line 251 ⟶ 249:
ifFalse: [args do: [| :arg | command ; ' ' ; arg]]]]] writingAs: String)
ifNil: [resend] ifNotNilDo: [| :cmd | [Platform run: cmd]]]
].</lang>
Here is an example of it being used:
<lang slate>slate[1]> shell ls: '*.image'.
kernel.new.little.64.1244260494374694.image slate2.image
net.image slate.image
True
slate[2]>
=={{header|Smalltalk}}==
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