For matrices a block-diagonal matrix is created. For all other
data types he operator is a wrapper of paste.
x %++% yFirst object
Second object of same class
Concatenation operator
## Block diagonal
matrix(rnorm(25),5)%++%matrix(rnorm(25),5)
#> [,1] [,2] [,3] [,4] [,5] [,6]
#> [1,] -0.2357066 1.1519118 1.7579031 -1.0655906 0.26613736 0.000000000
#> [2,] -0.5428883 0.9921604 0.5607461 -1.5637821 -0.37670272 0.000000000
#> [3,] -0.4333103 -0.4295131 -0.4527840 1.1565370 2.44136463 0.000000000
#> [4,] -0.6494716 1.2383041 -0.8320433 0.8320471 -0.79533912 0.000000000
#> [5,] 0.7267507 -0.2793463 -1.1665705 -0.2273287 -0.05487747 0.000000000
#> [6,] 0.0000000 0.0000000 0.0000000 0.0000000 0.00000000 -1.539950042
#> [7,] 0.0000000 0.0000000 0.0000000 0.0000000 0.00000000 -0.928567035
#> [8,] 0.0000000 0.0000000 0.0000000 0.0000000 0.00000000 -0.294720447
#> [9,] 0.0000000 0.0000000 0.0000000 0.0000000 0.00000000 -0.005767173
#> [10,] 0.0000000 0.0000000 0.0000000 0.0000000 0.00000000 2.404653389
#> [,7] [,8] [,9] [,10]
#> [1,] 0.0000000 0.0000000 0.00000000 0.00000000
#> [2,] 0.0000000 0.0000000 0.00000000 0.00000000
#> [3,] 0.0000000 0.0000000 0.00000000 0.00000000
#> [4,] 0.0000000 0.0000000 0.00000000 0.00000000
#> [5,] 0.0000000 0.0000000 0.00000000 0.00000000
#> [6,] 0.7635935 -0.4115108 -0.22426789 0.50360797
#> [7,] -0.7990092 0.2522234 0.37739565 1.08576936
#> [8,] -1.1476570 -0.8919211 0.13333636 -0.69095384
#> [9,] -0.2894616 0.4356833 0.80418951 -1.28459935
#> [10,] -0.2992151 -1.2375384 -0.05710677 0.04672617
## String concatenation
"Hello "%++%" World"
#> [1] "Hello World"
## Function composition
f <- log %++% exp
f(2)
#> [1] 2