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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [JSC] implement async functions proposal"
href="https://bugs.webkit.org/show_bug.cgi?id=156147#c107">Comment # 107</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [JSC] implement async functions proposal"
href="https://bugs.webkit.org/show_bug.cgi?id=156147">bug 156147</a>
from <span class="vcard"><a class="email" href="mailto:caitp@igalia.com" title="Caitlin Potter (:caitp) <caitp@igalia.com>"> <span class="fn">Caitlin Potter (:caitp)</span></a>
</span></b>
<pre>something like
```
// private members of class Parser:
#define JSC_DECLARE_RUNTIME_FLAG_BOOL(name, isEnabledFlag) bool m_is##name;
JSC_RUNTIME_FLAG(JSC_DECLARE_RUNTIME_FLAG_BOOLEAN)
// Parser constructor:
#define JSC_INITIALIZE_PARSER_RUNTIME_FLAGS(name, isEnabledFlag) \
m_is##name = runtimeFlags.is##name();
JSC_RUNTIME_FLAG_(JSC_INITIALIZE_PARSER_RUNTIME_FLAGS)
```
and replace `m_runtimeFlags` accesses with more direct things? I wouldn't want to make the RuntimeFlags class too fat, since it gets copied around a lot, but maybe only doing the heavy copying in the Parser constructor is okay.
I'll try it and see how it goes, I guess</pre>
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