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Merge pull request #8070 from ethereum/tryCatchChangelog

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Changelog entry for try/catch.
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chriseth 2019-12-20 14:53:34 +01:00 committed by GitHub
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@ -45,6 +45,7 @@ Language Features:
* Allow global enums and structs. * Allow global enums and structs.
* Allow public variables to override external functions. * Allow public variables to override external functions.
* Allow underscores as delimiters in hex strings. * Allow underscores as delimiters in hex strings.
* Allow to react on failing external calls using ``try`` and ``catch``.
* Introduce syntax for array slices and implement them for dynamic calldata arrays. * Introduce syntax for array slices and implement them for dynamic calldata arrays.
* Introduce ``push()`` for dynamic storage arrays. It returns a reference to the newly allocated element, if applicable. * Introduce ``push()`` for dynamic storage arrays. It returns a reference to the newly allocated element, if applicable.
* Introduce ``virtual`` and ``override`` keywords. * Introduce ``virtual`` and ``override`` keywords.