V--
V-- is an interpreted high-level programming language created by Marcus Kaiser in 2007.
Overview
V-- is currently an interpreted language, using the "V-- Programming Language Interpreter 0.1", shortened "V-- PLI.1". V--'s goal is to "encourage the free will of the programmer.", which is quite contradictory to a statement made in "The V-- Programming Language 0.1" (The official manual/language reference): "V-- is unforgiving. One little sidestep and it eats you alive".
According to the manual the language is very logical, yet "to understand V--, one must abandon all their earlier definitions of 'logic'".
Variables and data types
V-- uses (in version 0.2.1) four variables, &a, &b, &c and &d. The variables &a and &b are of "num" (integer) type, and &c and &d are of string type.
Commands and syntax
V-- command types and "command type operators". V-- has currently (in version 0.1) four command types:
- The string/print command (=)
- The variable command (&)
- The arithmetic command (#)
- The comment command (!)
Each command must be prefixed with it's command type operator:
= Hello,World!
The above command demonstrates the famous "Hello World" program in V--. The string/print command type in V-- cannot contain spaces, therefore the program is somewhat modified. The output being:
'Hello,World!'
A V-- program demonstrating the declaration of variables and the string/print command type operator:
& ! Declares the variable command type
-> . ! Declares the num data type
-> &a ! Declares the variable
-> 12 ! Assigns a value to the variable
{ .&a $ 12 } ! Output of the variable information
= &a ! Prints the variable's contents
The above program can also be written like this:
& . &a 12 = &a
As source code interpretation probably will be implemented in version 0.4, the code could be written like the above one and then interpreted. V-- PLI.1 is very picky about spacing.
Arithmetic operations have to be prefixed with their "sub-command operator":
# + 3 5
Gives the output:
{ 3 + 5 $ 8 }