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LibJS: Add spec comments to Value::to_bigint_uint64()

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Linus Groh 2022-12-10 00:00:17 +00:00
parent fb5256b225
commit 7abd9efe33
1 changed files with 4 additions and 0 deletions
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4
Userland/Libraries/LibJS/Runtime/Value.cpp
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@ -837,7 +837,11 @@ ThrowCompletionOr<i64> Value::to_bigint_int64(VM& vm) const
// 7.1.16 ToBigUint64 ( argument ), https://tc39.es/ecma262/#sec-tobiguint64 // 7.1.16 ToBigUint64 ( argument ), https://tc39.es/ecma262/#sec-tobiguint64
ThrowCompletionOr<u64> Value::to_bigint_uint64(VM& vm) const ThrowCompletionOr<u64> Value::to_bigint_uint64(VM& vm) const
{ {
// 1. Let n be ? ToBigInt(argument).
auto* bigint = TRY(to_bigint(vm)); auto* bigint = TRY(to_bigint(vm));
// 2. Let int64bit be ℝ(n) modulo 2^64.
// 3. Return ℤ(int64bit).
return bigint->big_integer().to_u64(); return bigint->big_integer().to_u64();
} }