Created
April 13, 2021 05:31
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JS. fake infix overload
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| /** might not be a good idea | |
| * but it's fun | |
| * you can overload infix operator in JS by overriding `.valueOf()` method. | |
| The following binary operators coerce: | |
| + - * / % | |
| & | ^ << >> >>> | |
| < <= > >= | |
| */ | |
| let anchor | |
| function getActorRef() { | |
| const ref = Object.create({ | |
| valueOf() { | |
| anchor = this | |
| }, | |
| }); | |
| ref._pid = 42 | |
| return ref | |
| } | |
| function send(dest, msg) { | |
| console.log('dest:', dest) | |
| console.log('msg:', msg) | |
| anchor = null | |
| } | |
| Object.prototype.valueOf = function valueOf() { | |
| send(anchor, this) | |
| return this | |
| } | |
| function test() { | |
| const pid = getActorRef() | |
| // overload GE operator to be SEND operator | |
| pid <= { type: 'hello', payload: 'world' } | |
| } | |
| test() |
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