public string a(di A_0, string A_1) { if (this.b.ContainsKey((int) A_0)) { return this.b[(int) A_0]; } return A_1; }
static int M(di d) { return(d(0)); }
static int M (di d) { return d (0); }
public bool a(di A_0) { return this.b.ContainsKey((int) A_0); }