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Adding support for exponent / ** operator #22

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Adding support for exponent / ** operator #22

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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -127,6 +127,7 @@ Following are the operators which can be overloaded with the desired overload fu
| 38 | &= | __andAssign | Assignment |
| 39 | \|= | __orAssign | Assignment |
| 40 | ^= | __xorAssign | Assignment |
| 41 | `**` | __exponent | Binary |


##Design Consideration / Very IMP / Must Read##
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6 changes: 5 additions & 1 deletion lib/overload.js
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Expand Up @@ -43,7 +43,8 @@ var funcNames = {
'>>>=': '__zeroFillRightShiftAssign',
'&=': '__andAssign',
'|=': '__orAssign',
'^=': '__xorAssign'
'^=': '__xorAssign',
'**': '__exponent'
};

//The AST Walker And Transformer
Expand Down Expand Up @@ -353,6 +354,9 @@ cons.forEach(function (constructor) {
defineDefaultProp(constructor, funcNames['^='], function (o) {
return o ^= this;
});
defineDefaultProp(constructor, funcNames['**'], function (o) {
return o ** this;
});
});
/* jshint ignore:end */

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2 changes: 1 addition & 1 deletion package.json
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Expand Up @@ -36,6 +36,6 @@
"homepage": "https://github.com/kushal-likhi/operator-overloading-js",
"dependencies": {
"escodegen": "^1.4.1",
"esprima": "^1.2.2"
"esprima": "^4.0.1"
}
}
7 changes: 7 additions & 0 deletions test/tests.js
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Expand Up @@ -42,6 +42,13 @@ describe('Operator overloading Test Suite', function () {
done();
});

it('should overload ** operator', function (done) {
overload(function () {
assertEqual((33 ** 22), '33**22');
})();
done();
});

it('should overload - operator', function (done) {
overload(function () {
assertEqual((33 - 22), '33-22');
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