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25 lines
685 B
25 lines
685 B
=proto
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int duk_is_bound_function(duk_context *ctx, int index);
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=stack
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[ ... val! ... ]
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=summary
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<p>Returns 1 if value at <tt>index</tt> is a Function object which has
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been created with Ecmascript <tt>Function.prototype.bind()</tt>,
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otherwise returns 0. If <tt>index</tt> is invalid, also returns 0.</p>
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<p>Bound functions are an Ecmascript concept: they point to a target
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function and supply a <tt>this</tt> binding and zero or more argument
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bindings. See
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<a href="http://www.ecma-international.org/ecma-262/5.1/#sec-15.3.4.5">Function.prototype.bind (thisArg [, arg1 [, arg2, ...]])</a>.
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</p>
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=example
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if (duk_is_bound_function(ctx, -3)) {
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/* ... */
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}
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=tags
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stack
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function
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