local secope as default

[amsitlab]

why not use local scope as default, and using some keyword to defining global vars/fuction, like:

-- global 1
pub Point = record do
   ....
end

-- or
-- global 2
export Point = record do
 ...
end

-- local 
Point = record do

end

that will produce clean code then writing local keyword many time.

[lenscas]

Not sure if this is the official (or the complete) reason but using local stays inline with Lua, which for a language that wants to stay as close to lua as possible is a plus.

Also, personally not a fan of pub/ export in your examples. You generally spoken export something by returning it rather than making it global.

[hishamhm]

We won't go with local-by-default, as it can produce very subtle bugs when people make mistakes reusing the same name in different nested scopes.

Teal already disallows global-by-default, and we're about to close the final gap in that discussion with #543. So, basically, both locals and globals need to be declared explicitly.