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Diffstat (limited to 'lang/zig/multidim.zig')
-rw-r--r-- | lang/zig/multidim.zig | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/lang/zig/multidim.zig b/lang/zig/multidim.zig new file mode 100644 index 0000000..bf30c80 --- /dev/null +++ b/lang/zig/multidim.zig @@ -0,0 +1,20 @@ +const expect = @import("std").testing.expect; + +const mat4x4 = [4][4]f32{ + [_]f32{ 1.0, 0.0, 0.0, 0.0 }, + [_]f32{ 0.0, 1.0, 0.0, 1.0 }, + [_]f32{ 0.0, 0.0, 1.0, 0.0 }, + [_]f32{ 0.0, 0.0, 0.0, 1.0 }, +}; + +test "multidimensional arrays" { + // Access the 2D array by indexing the outer array, + // and then the inner array. + expect(mat4x4[1][1] == 1.0); + + // Here we iterate with for loops. + for (mat4x4) |row, row_index| + for (row) |cell, column_index| + if (row_index == column_index) + expect(cell == 1.0); +} |