[dart-misc] Dart & C# - var & dynamic

[kc]

Given that Dart has the keywords 'var' and 'dynamic' new users will think
C#.

But in C# 'var' is *locals* only with type inference. (Also C# does not
have optional/gradual typing).

This is where a lot of confusion comes from (imo). (And it doesn't look
like Dart is picking up JS dev's re the current 'var' semantics).

Dart's type system seems most like Groovy's. Groovy was influential - but
more with the builder/block concepts rather than the dynamic/gradual type
system. (Builders and blocks would be useful for Dart).

K.

[Daniel Joyce]

Everything in dart is a builder via the .. operator....

Post by kc
Given that Dart has the keywords 'var' and 'dynamic' new users will think
C#.
But in C# 'var' is *locals* only with type inference. (Also C# does not
have optional/gradual typing).
This is where a lot of confusion comes from (imo). (And it doesn't look
like Dart is picking up JS dev's re the current 'var' semantics).
Dart's type system seems most like Groovy's. Groovy was influential - but
more with the builder/block concepts rather than the dynamic/gradual type
system. (Builders and blocks would be useful for Dart).
K.
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Daniel Joyce

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[kc]

Post by kc
Given that Dart has the keywords 'var' and 'dynamic' new users will think
C#.
But in C# 'var' is *locals* only with type inference. (Also C# does not
have optional/gradual typing).
This is where a lot of confusion comes from (imo). (And it doesn't look
like Dart is picking up JS dev's re the current 'var' semantics).

This issue is still going err... strong:

https://github.com/dart-lang/sdk/issues/27422

I suggested something to leafpetersen <https://github.com/leafpetersen> idea
re 'any':

https://groups.google.com/a/dartlang.org/d/msg/misc/Ch_-cWcWNUU/1VdTn7WPb7MJ

Also in another thread:
Maybe Dart could have 2 modes for analysis - '*script*' and '*strong*'
(ddc).


The var/dynamic issue seems back in port for a refit.

Must have a clear solution for 2.0.

K.