int [3] [ 0x1, 0x2, 0x3 ]
char [30] "ab"
bar_t [2] [ 
    bar_t {
        int alpha = 0x5
    }, 
    bar_t {
        int alpha = 0x6
    }
]
foo_t {
    int [3] a = [ 0x1, 0x2, 0x3 ]
    char [30] b = [ "ab" ]
    bar_t [2] c = [ 
        bar_t {
            int alpha = 0x5
        }, 
        bar_t {
            int alpha = 0x6
        }
    ]
    char [3] d = [ '\004', '\0', '\0' ]
}