46 lines
1.1 KiB
Plaintext
46 lines
1.1 KiB
Plaintext
// This script simulates object-oriented programming (OOP) techniques
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// using function pointers (Fn) and object maps.
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// Define object
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let obj1 = #{
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_data: 42, // data field
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get_data: Fn("getData"), // property getter
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action: Fn("action"), // method
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update: Fn("update1") // property setter
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};
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fn getData() {
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this._data
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}
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fn action() {
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print("Data=" + this._data);
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}
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fn update1(x) {
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this._data = x;
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this.action();
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}
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if obj1.get_data() > 0 { // property access
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obj1.update(123); // call method
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} else {
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print("we have a problem here");
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}
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// Define another object based on the first object
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let obj2 = #{
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_data: 0, // data field - new value
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update: Fn("update2") // property setter - another function
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};
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obj2.fill_with(obj1); // add all other fields from obj1
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fn update2(x) {
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this._data = x * 2;
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this.action();
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}
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if obj2.get_data() > 0 { // property access
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obj2.update(0); // call method
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} else {
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obj2.update(42); // call method
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}
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