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# Change Log: 2.041

Download D 2.041
released Mar 7, 2010

#### New/Changed Features

- __traits allMembers and and derivedMembers now return a tuple of strings rather than an array of strings. Enclose __traits in [ ] to make array literal. This makes it possible for foreach statements to iterate at compile time over it.
- Interface member functions can now have contracts.
- Added new operator overloading regime.
- Warnings no longer halt the parsing/semantic passes, though they still return an error status and still do not generate output files. They also no longer count as errors when testing with "compiles" traits.
- Added -wi switch for Bugzilla 2567
- Mixin template definitions should be preceded with mixin
- Add !in operator.
- Associative array contents can now be compared for equality
- Use of length inside of [ ] is now deprecated, use $ instead
- Added toDelegate() to std.functional to convert function pointers to delegates.
- Implemented attributes for constructors.
- Implemented qualifiers for struct literals, like immutable(S)(1,2,3)
- Array equality can now be done with differing array element types.
- Add simple spell checking.
- Bugzilla 3378: [tdpl] ++x should be an lvalue
- string, wstring are now bidirectional (not random) ranges
- std.algorithm: defined move with one argument; levenshtein distance generalized to with all forward ranges; take now has swapped arguments
- std.array: empty for arrays is now a @property; front and back for a string and wstring automatically decodes the first/last character; popFront, popBack for string and wstring obey the UTF stride
- std.conv: changed the default array formatting from "[a, b, c]" to "a b c"
- std.range: swapped order of arguments in take
- std.stdio: added readln template
- std.variant: now works with statically-sized arrays and const data
- std.traits: added isNarrowString
- The default type for [1,2,3] is now int[] rather than int[3].

#### Bugs Fixed

- Bugzilla 2321: spec on inline asm can be misunderstood
- Bugzilla 2463: No line number in "statement is not reachable" warning
- Bugzilla 3029: Bug in array value mangling rule
- Bugzilla 3306: bad function/delegate literal generated into header files
- Bugzilla 3373: bad codeview debug info for long and ulong
- Posix only, Bugzilla 3420: [PATCH] Allow string import of files using subdirectories
- Bugzilla 3450: incorrect result for is (typeof({ ... }())) inside a struct
- Bugzilla 3453: Linking order affects proper execution (Mac OSX only)
- Bugzilla 3491: typeof((string[string]).init) == AssociativeArray!(string, string), doesn't implicitly convert to string[string].
- Bugzilla 3500: super behaves differently with -inline
- Bugzilla 3558: Optimizer bug results in false if condition being taken
- Bugzilla 3582: core.stdc.ctype functions are not pure
- Bugzilla 3619: Thread crash on exit
- Bugzilla 3637: Array append patch to prevent stomping and to enhance thread-local append performance
- Bugzilla 3644: Wrong UCHAR_MAX value in module core.stdc.limits
- Bugzilla 3670: Declarator grammar rule is broken
- Bugzilla 3689: Grammar does not allow const(int)
- Bugzilla 3692: ICE(mtype.c) with associative arrays when std.variant is imported
- Bugzilla 3695: __EOF__ token not documented
- Bugzilla 3697: StructTemplateDeclaration and others missing constraint in rule
- Bugzilla 3710: Typo in allMembers description?
- Bugzilla 3736: corrupted struct returned by function with optimizations (-O)
- Bugzilla 3737: SEG-V at expression.c:6255 from bad opDispatch
- Bugzilla 3763: std.stdio.readlnImpl absurdly inefficient and overflows stack
- Bugzilla 3768: reapeted quotes in ddoc.html
- Bugzilla 3769: Regression: Segfault(constfold.c) array literals and case statements
- Bugzilla 3775: Segfault(cast.c): casting no-parameter template function using property syntax
- Bugzilla 3776: Wrong CHAR_MIN value in module core.stdc.limits
- Bugzilla 3781: ICE(interpret.c): using no-argument C-style variadic function in CTFE
- Bugzilla 3803: compiler segfaults
- Bugzilla 3840: Jump to: section in the docs should be sorted

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