What's New for D 2.008
Nov 27, 2007
New/Changed Features

////////////////////// 语言改变 /////////////////////
    * Added const/invariant structs, classes and interfaces.
    * Added const and invariant to IsExpressions.
    * Added typeof(return) type specifier.
    * Changed the way coverage analysis is done so it is independent of order dependencies among modules.
    * Revamped const/invariant.

/////////////////// 库更新 /////////////////////
    * std.string: Made munch more general and added function chompPrefix.
    * std.variant: Added documentation for variantArray
    * std.traits: Added CommonType template, fixed isStaticArray.
    * std.bitarray: scheduled for deprecation
    * std.bitmanip: new module with the content of std.bitarray plus the bitfields, FloatRep, and DoubleRep templates
    * std.process: Made getpid visible in Linux builds
    * std.math: Made nextafter visible for all floating types. Added approxEqual template.
    * std.contracts: Added enforce signature taking an exception
    * std.conv: Made conv_error a template parameterized on the types being converted.
    * std.stdio: Cosmetic changes.
    * std.system: Cosmetic changes.
    * std.file: Fixed bug in function dirEntries.
    * std.random: Major addition of engines and distributions.
    * std.format: Added raw ('r') format specifier for writef*.
    * std.path: Added rel2abs (Linux version only).
    * std.algorithm: new module
    * std.typecons: new module
    * std.functional: new module
    * std.numeric: new module