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< > BotCompany Repo | #1033111 // Matrix - 2D (possibly virtual) array interface

JavaX fragment (include) [tags: use-pretranspiled]

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interface Matrix<A> extends WidthAndHeight {
  public A get(int x, int y);
  public void set(int x, int y, A a);
  
  default Pt size() { ret pt(getWidth(), getHeight()); }
  default int nCells() { ret getWidth()*getHeight(); }
  
  default A get(Pt p) { ret get(p.x, p.y); }
  default void set aka put(Pt p, A a) { set(p.x, p.y, a); }
  
  // one row of the matrix as a virtual list (mutable)
  default L<A> getLine(int y) {
    ret new RandomAccessAbstractList<A>() {
      public int size() { ret getWidth(); }
      
      public A get(int x) {
        ret Matrix.this.get(x, y);
      }
      
      public A set(int x, A val) {
        A old = Matrix.this.get(x, y);
        Matrix.this.set(x, y, val);
        ret old;
      }
    };
  }
}

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Snippet ID: #1033111
Snippet name: Matrix - 2D (possibly virtual) array interface
Eternal ID of this version: #1033111/12
Text MD5: 5825f3e3da3deef2c0ab1944a4bafffe
Transpilation MD5: e07bf9162ef32bf6c36e02d5737b9dfa
Author: stefan
Category: javax
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2022-04-20 20:20:03
Source code size: 772 bytes / 27 lines
Pitched / IR pitched: No / No
Views / Downloads: 153 / 296
Version history: 11 change(s)
Referenced in: [show references]