Unexpected boolean change in :expr about sweet-core HOT 4 CLOSED

This is related to issue 28. We're really not handing the pattern matchers well at the moment so a host of problems will be fixed once we rework it.

In the meantime you can work around this by just not using :expr in the macro pattern.

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Is this the same issue that would be causing:

macro wtf {
  case $name:lit { $body:SourceElements } => {
    $body
  }
}

wtf 'o_O' { true; }

to become

false;

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Yes unfortunately. Just about all of the parse patterns like :expr and :SourceElements are affected by this bug.

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Closing as a dup of #28.

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