Segment code into blocks to declare variables and set their values local to the block.
{
float pi := 3.1415926;
float circumference := pi * radius;
}
This declares a variable pi that is local to the
block,
and uses that variable to set a variable called
circumference.
Variable declarations (but not
type abbreviations) may be interspersed with statements; they
need not be at the beginning of a block.
{
string t := 'here';
{
string t := 'there';
print(t);
}
}