V/var

V/var keyword

The

var

statement declares a variable initializing it to a value.

V variable_name = value

You can declare more than one variable at a time with a tuple assignment:

F get_row_column() // this is a function returning a tuple
   ...
   R (row, col)
...
V (row, col) = get_row_column() // analogous code: `V rc = get_row_column(); V row = rc[0]; V col = rc[1]`

Partial declaration is also possible:

(V row2, col) = get_row_column() // `col` has already been declared, `row2` is declared here

or:

(row, V col2) = get_row_column() // `row` has already been declared, `col2` is declared here

To declare and initialize to some value multiple variables at once use this notation ({…}):

V a = V b = 0

To declare a constant "variable" use

-V

-var

-V constant_name = value

[{…On the one hand,

means constancy, and on the other hand it means negation (<not variable> is <constant>).}]

To reduce the amount of

var

keywords you can use a new scope. For example, this code:

-V
   n_rows = 10
   n_cols = 10
   grid_size = n_rows * n_cols
   min_words = 25

is equivalent to this:

-V n_rows = 10
-V n_cols = 10
-V grid_size = n_rows * n_cols
-V min_words = 25