Ela Platform 2013.1

[vorov2]

Ela Platform 2013.1 includes a new version of Ela (0.12.1) and a new version of standard library that provide a support for monadic programming in Ela including Haskell style "do" notation.

An overview of this release is available here:
http://elalang.net/docs/Article.aspx?p=whatsnew.htm

Download here:

http://elalang.googlecode.com/files/ela-platform-2013.1.zip

[Tikhonov Alexey]

Hi, Vasily!

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Documentation claimed that one may declare a record with field name that is not a valid Ela identifier and then use indexer operator to access the element. Does it mean that the following example should work:

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let r = {"String"=0}

О©╫in r:"String"

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Actually it doesn't but may be I didn't get an idea what the indexer operator is. One more question Is there any inner mechanism implemented to read from / write to external files in Ela? For example to parse a file.

О©╫

14.02.2013, 02:04, "vorov2" <ba...@voronkov.name>:

Ela Platform 2013.1 includes a new version of Ela (0.12.1) and a new version of standard library that provide a support for monadic programming in Ela including Haskell style "do" notation.

An overview of this release is available here:
http://elalang.net/docs/Article.aspx?p=whatsnew.htm

О©╫

Download here:

http://elalang.googlecode.com/files/ela-platform-2013.1.zip

О©╫

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О©╫
О©╫

[Tikhonov Alexey]

Ok, I looked through and see that I can answer my questions on myself. Of course the indexer takes only numeric arguments and io functions are defined in the corresponding module io.ela.

 

13.03.2013, 13:21, "Tikhonov Alexey" <a.le...@ya.ru>:

Hi, Vasily!

 

Documentation claimed that one may declare a record with field name that is not a valid Ela identifier and then use indexer operator to access the element. Does it mean that the following example should work:

 

let r = {"String"=0}

 in r:"String"

 

Actually it doesn't but may be I didn't get an idea what the indexer operator is. One more question Is there any inner mechanism implemented to read from / write to external files in Ela? For example to parse a file.

14.02.2013, 02:04, "vorov2" <ba...@voronkov.name>:

Ela Platform 2013.1 includes a new version of Ela (0.12.1) and a new version of standard library that provide a support for monadic programming in Ela including Haskell style "do" notation.

An overview of this release is available here:
http://elalang.net/docs/Article.aspx?p=whatsnew.htm

Download here:

http://elalang.googlecode.com/files/ela-platform-2013.1.zip

 

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[Vasily Voronkov]

Alexey,

An (:) is a function from index (numeric) to a value.

I guess you are looking for a function getField which would do a job in this case. You can find a description of this function in prelude documentation.

 

To answer your second question – Ela parser is not currently exposed to Ela code (you can make it available by yourself if you wish).

[Tikhonov Alexey]

Hi!

 

I wonder whether it is possible to define the operator "/" in the standard library so that it returns Int for integer arguments ? Now 1/2 == 0.5f.

 

13.03.2013, 15:17, "Vasily Voronkov" <ba...@voronkov.name>: