Variables: Difference between revisions

Attributes <code>Public</code> or <code>Private</code> can mofidy these scopes.

 

age := 20

large_number := i64(9999999999)</syntaxhighlight>

 

'''Mutable variables'''

println(age) // 20

age = 21

'''Declaration errors'''

In development mode the compiler will warn you that you haven't used the variable (you'll get an "unused variable" warning). In production mode (enabled by passing the -prod flag to v – v -prod foo.v) it will not compile at all (like in Go).

a := 10

if true {