NEWS
changeset 50138 ca989d793b34
parent 50132 180d086c30dd
child 50139 7eb626617bbe
equal deleted inserted replaced
50137:0226d408058b 50138:ca989d793b34
   209 another parameter avoids unnecessary closures in generated code.
   209 another parameter avoids unnecessary closures in generated code.
   210 
   210 
   211 * Library/RBT_Impl.thy: efficient construction of red-black trees 
   211 * Library/RBT_Impl.thy: efficient construction of red-black trees 
   212 from sorted associative lists. Merging two trees with rbt_union may
   212 from sorted associative lists. Merging two trees with rbt_union may
   213 return a structurally different tree than before. MINOR INCOMPATIBILITY.
   213 return a structurally different tree than before. MINOR INCOMPATIBILITY.
       
   214 
       
   215 * Library/IArray.thy: immutable arrays with code generation.
   214 
   216 
   215 * Simproc "finite_Collect" rewrites set comprehensions into pointfree
   217 * Simproc "finite_Collect" rewrites set comprehensions into pointfree
   216 expressions.
   218 expressions.
   217 
   219 
   218 * Preprocessing of the code generator rewrites set comprehensions into
   220 * Preprocessing of the code generator rewrites set comprehensions into