pkg syscall (darwin-arm64), const MSG_FLUSH ideal-int
pkg syscall (darwin-arm64), const MSG_HAVEMORE = 8192
pkg syscall (darwin-arm64), const MSG_HAVEMORE ideal-int
pkg syscall (darwin-arm64), const MSG_HOLD = 2048
pkg syscall (darwin-arm64), const MSG_HOLD ideal-int
pkg syscall (darwin-arm64), const MSG_NEEDSA = 65536
pkg syscall (darwin-arm64), const MSG_NEEDSA ideal-int
pkg syscall (darwin-arm64), const MSG_OOB = 1

type Constraint ~int         // illegal: ~int is not in a type parameter list
</pre>

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We should be able to simplify the rules for comparable or delegate some of them
elsewhere since we have a section that clearly defines how interfaces implement
other interfaces based on their type sets. But this should get us going for now.
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<p>
The <a href="#Predeclared_identifiers">predeclared</a>