====== stack traces ======

<code go>
08 func Example(slice []string, str string, i int) {
09     panic("Want stack trace")
10 }

main.Example(0x2080c3f50, 0x2, 0x4, 0x425c0, 0x5, 0xa)
        /Users/bill/Spaces/Go/Projects/src/github.com/goinaction/code/
        temp/main.go:9 +0x64
</code>
        
<code go>
// Declaration
main.Example(slice []string, str string, i int)

// Call to Example by main.
slice := make([]string, 2, 4)
Example(slice, "hello", 10)

// Stack trace
               +--- SLICE -------+  +-- string -+  int
               ptr        len  cap  | ptr    len|
main.Example(0x2080c3f50, 0x2, 0x4, 0x425c0, 0x5, 0xa)
</code>


===== argument types =====
| type                 | values | val 1 | val 2 | val 3 |
| interface            |   2    | type pointer | data pointer | - |
| v ...interface{}     |   3    | | |
| string               |   2    | data pointer | length        |
| int                  |   1    | value        | | |
| pointer              |   1    | pointer      | | |
| slice                |   3    | array pointer | length | capacity |