fk0, легенда (22.05.2013 01:13 - 01:15, просмотров: 455) ответил rezident на Вы имеете в виду integer promotion под автоматическим приведением типов?Я имею ввиду примерно такую штуку. Оно не обязательно integer. Ниже пример программы на pascal и выдаваемые компилятором ошибки. А что бы выдал C? http://en.wikipedia.org/wiki/Type_conversion#Type_promotion
program test;
var
i: integer;
c: char;
b: boolean;
s: string;
r: real;
x: 1..10;
w: word;
begin
x:=11; (* Warning: range check error while evaluating constants *)
r:=0.5;
c:=10; (* Error: Incompatible types: got "ShortInt" expected "Char" *)
b:=2; (* Error: Incompatible types: got "ShortInt" expected "Boolean" *)
(* Warning: range check error while evaluating constants *)
c:='ab'; (* Error: Incompatible types: got "Constant String" expected "Char" *)
s:='a';
c:='b';
b:=0; (* Error: Incompatible types: got "ShortInt" expected "Boolean" *)
i:=1.2; (* Error: Incompatible types: got "Extended" expected "SmallInt" *)
c:=i; (* Error: Incompatible types: got "Char" expected "LongInt" *)
i:=c; (* Error: Incompatible types: got "Char" expected "LongInt" *)
b:=i; (* Error: Incompatible types: got "Boolean" expected "LongInt" *)
i:=b; (* Error: Incompatible types: got "Boolean" expected "LongInt" *)
b:=c; (* Error: Incompatible types: got "Char" expected "LongWord" *)
c:=b; (* Error: Incompatible types: got "Boolean" expected "LongWord" *)
i:=r;
r:=i;
c:=r; (* Error: Incompatible types: got "Char" expected "Real" *)
r:=c; (* Error: Incompatible types: got "Char" expected "Real" *)
r:=b; (* Error: Incompatible types: got "Boolean" expected "Real" *)
b:=r; (* Error: Incompatible types: got "Boolean" expected "Real" *)
x:=i;
i:=x;
w:=r; (* Error: Incompatible types: got "Real" expected "Word" *)
end.
[ZX]