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2 years ago · e37c869821
parent bb6a7dea8e
commit e37c869821
1 changed files with 8 additions and 0 deletions
--- a/Connect4/connect4_lib/Sources/connect4_lib/Board.swift
+++ b/Connect4/connect4_lib/Sources/connect4_lib/Board.swift
@ -4,6 +4,14 @@ public struct Board : CustomStringConvertible {
    
    public let nbRows: Int
    public let nbCols: Int
+    
+    
+    /// Watch your indices --  in a empty 3x3 grid, if you insert a chip at column 0, it will fall down to grid[2][0]
+    ///    0 1 2
+    /// 0     -  -  -
+    /// 1     -  -  -
+    /// 2     x  -  -
+    ///
    public var grid : [[Int?]] { _grid }
    var _nbFree: Int
    var _grid: [[Int?]]