src/basilisp/lang/compiler/parser.py
def _is_async(o: IMeta) -> bool:
    """Return True if the meta contains :async keyword."""
    return (  # type: ignore
        Maybe(o.meta)
        .map(lambda m: m.entry(SYM_ASYNC_META_KEY, None))
        .or_else_get(False)
    )
def _is_async(o: IMeta) -> bool:
    """Return True if the meta contains :async keyword."""
    return (  # type: ignore
        Maybe(o.meta)
        .map(lambda m: m.entry(SYM_ASYNC_META_KEY, None))
        .or_else_get(False)
    )
Return True if the meta contains :async keyword.