type

[Michael Sgier]

Hi
why Tag is declared twice?

// Public functions
...
Tag GetKeyId (void);
...

protected:
Tag keyId;


thx.
michael

 

[Ian Collins]

Hi
why Tag is declared twice?

It isn't, one is return type of a member function, the other is a member.

 

[Rolf Magnus]

Hi
why Tag is declared twice?

If this is within a class definition, Tag is not defined at all.

 

[Frederick Gotham]

Michael Sgier posted:

Hi
why Tag is declared twice?

// Public functions
...
Tag GetKeyId (void);
...

protected:
Tag keyId;

class Arb {
public:

typedef int Tag; /* This defines a type */

Tag GetKeyId(void); /* This declares a function */

protected:

Tag keyId; /* This defines an object */

};

 

[Ron Natalie]

class Arb {
public:

typedef int Tag; /* This defines a type */

No, it defines a synonym for the int type. Typedef's do not
define new types, just new names for existing ones.

void over(Tag);
and void over(int);

are identical function types...they're not overloads.