| browser.js |
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0 |
| shell.js |
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0 |
| throws-if-initializer-not-object.js |
---
esid: sec-let-and-const-declarations-runtime-semantics-evaluation
description: Throws if initialized value is not an Object
info: |
RS: Evaluation
UsingDeclaration : using BindingList ;
1. Perform ? BindingEvaluation of BindingList with argument sync-dispose.
2. Return empty.
RS: BindingEvaluation
LexicalBinding : BindingIdentifier Initializer
...
5. Return ? InitializeReferencedBinding(lhs, value, hint).
InitializeReferencedBinding ( V, W )
...
4. Return ? base.InitializeBinding(V.[[ReferencedName]], W).
InitializeBinding ( N, V, hint )
...
2. If hint is not normal, perform ? AddDisposableResource(envRec.[[DisposeCapability]], V, hint).
...
AddDisposableResource ( disposeCapability, V, hint [, method ] )
1. If method is not present then,
a. If V is either null or undefined and hint is sync-dispose, then
i. Return unused.
b. Let resource be ? CreateDisposableResource(V, hint).
...
CreateDisposableResource ( V, hint [ , method ] )
1. If method is not present, then
a. If V is either null or undefined, then
...
b. Else,
i. If V is not an Object, throw a TypeError exception.
...
...
features: [explicit-resource-management]
--- |
2057 |