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language:migrate [2020/12/02 01:00]
127.0.0.1 external edit 		language:migrate [2022/05/13 11:22]
rajit [Array expressions]
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 ==== Channel and data type bodies ==== ==== Channel and data type bodies ====
  
-The old ACT had channel and data type bodies for send/recv/put/get methods, but they were ignored. So if you have old ACT that has those, you can simply delete them. Otherwise you can use the new [[language:types|method syntax]].+The old ACT had channel and data type bodies for send/recv/put/get methods, but they were ignored. So if you have old ACT that has those, you can simply delete them. Otherwise you can use the new [[language:types2|method syntax]].
  
  
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 The old ACT only had single-assignment parameters. So  The old ACT only had single-assignment parameters. So 
-<code>+<code act>
 pint x; pint x;
  
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 </code> </code>
 would result in an error. This was sometimes used to implement assertions. For example, if a parameter ''x'' was supposed to be twice another parameter ''y'', then would result in an error. This was sometimes used to implement assertions. For example, if a parameter ''x'' was supposed to be twice another parameter ''y'', then
-<code>+<code act>
 x=2*y; x=2*y;
 </code> </code>
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 The new ACT supports [[language:connections|mutable parameter]] variables in restricted contexts. To support the assertion feature, the new ACT supports explicit assertions. We use Hoare's syntax, and so the assertion  specified earlier would be written The new ACT supports [[language:connections|mutable parameter]] variables in restricted contexts. To support the assertion feature, the new ACT supports explicit assertions. We use Hoare's syntax, and so the assertion  specified earlier would be written
-<code>+<code act>
 {x=2*y}; {x=2*y};
 </code> </code>
 If a more meaningful message is required, the following syntax is also supported: If a more meaningful message is required, the following syntax is also supported:
-<code>+<code act>
 {x=2*y : "This assertion failed"}; {x=2*y : "This assertion failed"};
 </code> </code>
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 In the previous version of ACT, one could do the following: In the previous version of ACT, one could do the following:
-<code>+<code act>
 bool x[2][2]; bool x[2][2];
 bool y[2]; bool y[2];
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 </code> </code>
 Instead, you can get the same effect by saying: Instead, you can get the same effect by saying:
-<code>+<code act>
 x[0][0..1] = y; x[0][0..1] = y;
 </code> </code>
language/migrate.txt · Last modified: 2022/05/13 11:23 by rajit
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