29 lines
540 B
Tcl
29 lines
540 B
Tcl
# Variables
|
|
|
|
func main():
|
|
|
|
# Variable declarations use `:=` and do not
|
|
# require you to specify a type explicitly:
|
|
x := 123
|
|
|
|
# To assign a new value, use `=`
|
|
x = 999
|
|
|
|
# You can also use update assignments like `+=`
|
|
x += 1
|
|
|
|
>> x
|
|
= 1000
|
|
|
|
# Variables are strongly typed, so you can't
|
|
# assign different types to the same variable:
|
|
x = "hello" # <-- This will error, comment it out or fix it
|
|
|
|
# Declare a variable called `y` and give it the
|
|
# value "okay"
|
|
|
|
???
|
|
|
|
>> y
|
|
= "okay"
|