Quoting constructs: Difference between revisions
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Thus, the expression "someBoolean ifTrue:[ 'hello print' ]" will either evaluate the lambda or not, depending on the someBoolean receiver. |
Thus, the expression "someBoolean ifTrue:[ 'hello print' ]" will either evaluate the lambda or not, depending on the someBoolean receiver. |
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Obviously, you can teach other objects on how to respond to "value" messages and then use them as if they where blocks. |
Obviously, you can teach other objects on how to respond to "value" messages and then use them as if they where blocks. |
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Actually, the Object class also implements "value", so you can also write: |
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<lang smalltalk>a := someCondition ifTrue:10 ifFalse:20</lang> |
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which works because "Object value" simply returns the receiver. |
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In addition, some Smalltalk dialects implement additional syntax extensions. |
In addition, some Smalltalk dialects implement additional syntax extensions. |
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