typename associates a name to variable type

## Syntax

    [indices, onames] = typename()

## Arguments

indices

  an integer column vector: the types codes of each defined data types.

onames

  a column vector of strings: overloading codes associated to types.

## Description

`typename` returns information on defined data types.

The function and operator overloading make use of a formal name associated to data types to form the name of the overloading function (see overloading). The `typename` can be used to handle this formal names for hard coded data types (the `tlist` or `mlist` coded data types formal names are defined in another way, see overloading).

## Examples

    [ind, onames] = typename();
    mprintf("Type index: %3d  overloading code: ""%s""\n", ind, onames)

    --> mprintf("Type index: %3d  overloading code: ""%s""\n", ind, onames)
    Type index:   1  overloading code: "s"
    Type index:   2  overloading code: "p"
    Type index:   4  overloading code: "b"
    Type index:   5  overloading code: "sp"
    Type index:   6  overloading code: "spb"
    Type index:   8  overloading code: "i"
    Type index:   9  overloading code: "h"
    Type index:  10  overloading code: "c"
    Type index:  13  overloading code: "function"
    Type index:  14  overloading code: "f"
    Type index:  15  overloading code: "l"
    Type index:  16  overloading code: "tl"
    Type index:  17  overloading code: "ml"
    Type index: 128  overloading code: "ptr"
    Type index: 129  overloading code: "ip"
    Type index: 130  overloading code: "fptr"

## See also

- type
- typeof
- overloading
- tlist
- mlist