Block
From Free Pascal wiki
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A block is a sequence of declarations followed by a sequence of statements.
The declarations are optional.
The sequence of statements can be empty, but at least the begin…end-frame has to be present (in routines asm…end is allowed, too).
The key feature of a block is, that declarations are only valid while the statements are processed.
This concept is known as scope.
example
The following is a valid block:
const
foobar = -1;
type
booleanArray = array of boolean;
var
check: booleanArray;
begin
check := booleanArray.create(true, false, true);
end;
An indication, whether something constitutes a block, is, whether you can use it as part of a routine definition, as well as make a program out of it (syntactically; apart from the terminating dot).
