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Clean up changelog.

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chriseth 2020-07-23 14:48:56 +02:00
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Changelog.md
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### 0.7.0 (unreleased)
Breaking changes:
* Type Checker: Disallow virtual for library functions.
* Constructors should not have visibility.
* Deprecated dot syntax for `value` and `gas`.
* Deprecated the identifier `now`.
* Disallow `gwei` as identifier.
* JSON AST: Removes members with ``null`` value from JSON output.
* Inline Assembly: Disallow ``.`` in user-defined function and variable names.
* Inline Assembly: Slot and offset of storage pointer variable ``x`` are accessed via ``x.slot`` and ``x.offset`` instead of ``x_slot`` and ``x_offset``.
* JSON AST: Remove members with ``null`` value from JSON output.
* Parser: Disallow ``gwei`` as identifier.
* Parser: Disallow dot syntax for ``value`` and ``gas``.
* Parser: NatSpec comments on variables are only allowed for public state variables.
* Type Checker: Disallow shifts by signed types.
* Type Checker: Exponentiation and shifts of literals by non-literals will always use ``uint256`` or ``int256`` as a type.
* Type Checker: Disallow structs and arrays in memory or calldata if they contain nested mappings.
* Parser: Remove the ``finney`` and ``szabo`` denominations.
* Parser: Remove the identifier ``now`` (replaced by ``block.timestamp``).
* Reference Resolver: ``using A for B`` only affects the contract it is mentioned in and not all derived contracts
* Type Checker: Disallow ``virtual`` for library functions.
* Type Checker: Disallow assignments to state variables that contain nested mappings.
* Type checker: Disallow events with same name and parameter types in inheritance hierarchy.
* ``using A for B`` only affects the contract it is mentioned in and not all derived contracts
* Inline Assembly: Disallow `.` in user-defined function and variable names.
* Inline Assembly: Slot and offset of storage pointer variable ``x`` are accessed via ``x.slot`` and ``x.offset`` instead of ``x_slot`` and ``x_offset``.
* Remove the finney and szabo denominations.
* Type Checker: Disallow shifts by signed types.
* Type Checker: Disallow structs and arrays in memory or calldata if they contain nested mappings.
* Type Checker: Exponentiation and shifts of literals by non-literals will always use ``uint256`` or ``int256`` as a type.
* Yul: Disallow consecutive and trailing dots in identifiers. Leading dots were already disallowed.
* Yul: Disallow EVM instruction `pc()`.
Language Features:
* State mutability: Do not issue recommendation for stricter mutability for virtual functions but do issue it for functions that override.
* Yul: Disallow EVM instruction `pc()`.
* Yul: Disallow consecutive and trailing dots in identifiers. Leading dots were already disallowed.
* Inheritance: Allow overrides to have stricter state mutability: ``view`` can override ``nonpayable`` and ``pure`` can override ``view``.
* Parser: Deprecate visibility for constructors.
* State mutability: Do not issue recommendation for stricter mutability for virtual functions but do issue it for functions that override.
Compiler Features:
* Variable declarations using the ``var`` keyword are not recognized anymore.
Bugfixes:
* NatSpec: Constructors and functions have consistent userdoc output.
* Inheritance: Disallow public state variables overwriting ``pure`` functions.
* NatSpec: Constructors and functions have consistent userdoc output.
* SMTChecker: Fix internal error when assigning to a 1-tuple.
* State Mutability: Constant public state variables are considered ``pure`` functions.
* Type Checker: Fixing deduction issues on function types when function call has named arguments.