Send an unknown method call: Difference between revisions
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^ 42 + x ] ]. |
^ 42 + x ] ]. |
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symbol := 'foo:' asSymbol. " same as symbol := #foo: " |
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Example new perform: |
Example new perform: symbol with: 5. " returns 47 "</lang> |
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The <code>perform:with:with:</code> family of methods exist for methods with 0 - 2 (3 in GNU Smalltalk) arguments. For methods with more arguments, use <code>perform:withArguments:</code>, which takes an array of arguments. |
The <code>perform:with:with:</code> family of methods exist for methods with 0 - 2 (3 in GNU Smalltalk) arguments. For methods with more arguments, use <code>perform:withArguments:</code>, which takes an array of arguments. |
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