James Clark comments

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                                            James Clark

Allow a module to declare that it produces network messages

This needs the clarification in #1182 to ensure that the Publisher can participate in graceful shutdown.

Normal completion of match-stmt should be able to cause variable type narrowing

The rule should be something like this. If the match-stmt is exhaustive and can complete normally, then the narrowed types implied by the normal completion of the match-stmt is the...

Use readonly type as a match pattern

I believe we can generalize this to any readonly type (i.e. any type that is a subtype of `readonly`). More precisely, an identifier can be used as a match pattern...

Use readonly type as a match pattern

Probably need to restrict to case where either - type in pattern is simple type or string (inherently immutable basic type), or - type in match expressiob is readonly to...

Using type-descriptors preceded by `type` in Ballerina Flavoured Markdown

This relates to #34: types like `string` should be treated more as predeclared identifiers rather than reserved words.

Producer/consumer model for creating streams

Might be better to call this `pipe`. On second thoughts, I think a better name is `channel`.

Producer/consumer model for creating streams

See https://github.com/ballerina-platform/ballerina-standard-library/issues/2821#issuecomment-1082528879 for a discussion of why shutdown is difficult. I think we want to approach this by seeing channels as the module-level counterpart of the worker message passing. Worker...