Compound data type: Difference between revisions
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(→{{header|D}}: add crystal implementation with a link to the language reference) |
m (→{{header|Crystal}}: i missed that the task specifically calls for a Point data type) |
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Crystal's structs work very similarly to objects, but are allocated on the stack instead of the heap, and passed by value instead of by reference. More potential caveats are noted in the [https://crystal-lang.org/reference/syntax_and_semantics/structs.html language reference]. |
Crystal's structs work very similarly to objects, but are allocated on the stack instead of the heap, and passed by value instead of by reference. More potential caveats are noted in the [https://crystal-lang.org/reference/syntax_and_semantics/structs.html language reference]. |
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<lang ruby>struct |
<lang ruby>struct Point(T) |
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getter |
getter x : T |
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getter |
getter y : T |
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def initialize(@ |
def initialize(@x, @y) |
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end |
end |
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end |
end |
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puts |
puts Point(Int32).new 13, 12 #=> Point(Int32)(@x=13, @y=12)</lang> |
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=={{header|D}}== |
=={{header|D}}== |
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