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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
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Alex A. Naanou 2020-05-04 02:49:57 +03:00
parent 338b198cbf
commit e86758330b
1 changed files with 10 additions and 12 deletions
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object.js
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@ -508,19 +508,17 @@ function(context, constructor, ...args){
// clone it via. Object.create(..) or copy it...
// NOTE: to disable .__rawinstance__(..) handling set it to false in the
// class prototype...
// NOTE: it is currently not possible to mix native unrelated types, for
// example a callable array constructor will produce inconsistent
// instance objects that in general will not work as expected...
// Reflect.construct(Array, [], Function)
// or
// Reflect.construct(Function, [], Array)
// will either initialize internal/hidden state for either one or
// the other producing a semi-broken instance.
// It is however possible to mix related types as we are doing for
// callable instances (Function + Object -- a function is an object).
//
// XXX BUG?: this does not make a callable array...
// X = Constructor('X', Array, function(){})
// ...can we "mix" disibilar types in JS, if yes then how do we
// construct the instance -- which constructor do we call???
// ..this appears not to be possible as:
// 1) Reflect.construct(Function, [], Array)
// will produce a callable object with access to all the
// array methods but none of the low-level mechanics, thus
// part of the methods will break like .push(..)
// 2) Reflect.construct(Array, [], Function)
// will produce an array instnace that looks like a function
// but is not callable...
// XXX revise .toString(..) definition test...
var Constructor =
module.Constructor =