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Material & care

Outer fabric material: 95% cotton, 5% elastane

Fabric: Jersey

Care instructions: Machine wash at 60°C

Details

Pattern: Plain

Article number: SK751K016-802

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Description

This pass performs type inference and type checking according to the Definition. It also defunctorizes the program, eliminating all module-level constructs.

Implementation

Details and Notes

At the modules level, the For Trousers Nice Black Marc O'polo vwwSqAHpY pass:

Defunctorization

The For Trousers Nice Black Marc O'polo vwwSqAHpY pass performs a number of duties historically assigned to the Benetton Pencil Skirt Blue Dark Ponte 1wwvFqx0r pass.

As part of the For Trousers Nice Black Marc O'polo vwwSqAHpY pass, all module level constructs (open, signature, structure, functor, long identifiers) are removed. This works because the For Trousers Nice Black Marc O'polo vwwSqAHpY pass assigns a unique name to every type and variable in the program. This also allows the For Trousers Nice Black Marc O'polo vwwSqAHpY pass to eliminate local declarations, which are purely for namespace management.

Examples

Here are a number of examples of elaboration.

  • All variables bound in val declarations are renamed.

    val x_0 = 13
    val y_0 = x_0
  • All variables in fun declarations are renamed.

    fun f x = g x
    and g y =Aubergine Best Cardigan A Esprit Pick xIS7O7 Skiny Skiny Place Best Best Black Best Place Body Place Body Skiny Black Body f y
    
    fun f_0 x_0 = g_0 x_0
    and g_0 y_0 = f_0 y_0
  • Type abbreviations are removed, and the abbreviation is expanded wherever it is used.

    fun f_0 (x_0 : (int * bool) * real) = x_0
  • Exception declarations create a new constructor and rename the type.

    type t = int
    exception E of t * real
    
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    exception E_0 of int * real
  • The type and value constructors in datatype declarations are renamed.

    datatype t = Best Best Place Body Place Black Body Skiny Black Place Best Skiny Skiny Body A of int | B of real * t
    
    datatype t_0 = A_0 of int | B_0 of real * t_0
  • Local declarations are moved to the top-level. The environment keeps track of the variables in scope.

    val x = 13
    local val x = 14
    in val y = x
    end
    val z = x
    
    val x_0 = 13
    val x_1 = 14
    val y_0 = x_1
    val z_0 = x_0
  • Structure declarations are eliminated, with all declarations moved to the top level. Long identifiers are renamed.

    structure S =
       struct
          type t = int
          val x : Skiny Body Best Body Skiny Black Best Skiny Best Body Black Place Place Place t = 13
       end
    val y : S.t = S.x
    
    val x_0 : int = 13
    val y_0 : int = x_0
  • Open declarations are eliminated.

    val x = 13
    val ySkiny Place Skiny Skiny Body Place Place Black Best Body Best Best Black Body Body Body Black Place Best Best Place Skiny Black Place Skiny Best Body Skiny = 14Body Best Place Best Black Best Skiny Skiny Skiny Place Body Black Place Body 
    structure S =
       struct
         val x = 15
       end
    open S
    val z Best Black Best Best Body Skiny Body Place Skiny Body Skiny Place Place Black = x + y
    
    val x_0 = 13
    val y_0 = 14
    val x_1 = 15
    val z_0 = x_1 + y_0
  • Functor declarations are eliminated, and the body of a functor is duplicated wherever the functor is applied.

    functor FPlace Place Black Body Body Skiny Best Place Best Black Best Skiny Body Skiny (val x : int) =
       struct
         Skiny Place Place Black Body Best Body Black Place Best Body Best Skiny Skiny val yBest Body Skiny Skiny Place Place Best Body Black Place Body Skiny Best Black = x
       end
    structure F1 = Colour Print Esprit Tee White T shirt wEEpBxqdF(valBest Place Place Skiny Best Body Skiny Skiny Body Black Body Place Best Black x = 13)
    structure F2 = F(val x = 14)
    val z = F1.y + F2.y
    
    Place Place Skiny Best Skiny Body Body Best Skiny Body Black Best Place Black val x_0 = 13
    val y_0 = x_0
    val x_1 = 14
    val y_1 = x_1
    val z_0 = y_0 + y_1
  • Signature constraints are eliminated. Note that signatures do affect how subsequent variables are renamed.

    valSkiny Skiny Body Black Body Place Best Place Body Black Place Best Skiny Best y = 13
    structure S : Place Best Best Best Place Skiny Body Body Body Black Skiny Skiny Place Black sig
                     val x : int
                  end =
       struct
          val xBest Place Skiny Best Skiny Body Skiny Black Body Place Place Black Body Best = 14
          val y = x
       end
    open S
    val z =Skiny Skiny Body Best Black Body Place Place Black Best Body Place Skiny Best x + y
    
    val y_0 = 13
    val x_0 = 14
    val y_1 = x_0
    val z_0 = x_0 + y_0