• Michael P. <baseball.mjp gmail.com> Jan 29 2010
• =?UTF-8?B?QWxpIMOHZWhyZWxp?= <acehreli yahoo.com> Jan 29 2010

Michael P. <baseball.mjp gmail.com> writes:

Is din.readf (from std.cstream in Phobos) able to read floats when using %s as
the format specifier?
When I used this:
din.readf( "%s", &somedouble );
somedouble will still be nan after receiving input from the user.
But when I use:
din.readf( "%f", &somedouble );
everything goes as planned.
Is this to be expected?

=?UTF-8?B?QWxpIMOHZWhyZWxp?= <acehreli yahoo.com> writes:

Michael P. wrote:
 Is din.readf (from std.cstream in Phobos) able to read floats when using %s as
the format specifier?
 When I used this:
 din.readf( "%s", &somedouble );
 somedouble will still be nan after receiving input from the user.
 But when I use:
 din.readf( "%f", &somedouble );
 everything goes as planned.
 Is this to be expected?
 


Reading Stream.vreadf in dmd/src/phobos/std/stream.d, I see that %s 
means "string".

It means "string" for output as well. Objects of any type can be 
converted to string and outputted that way. The member function toString 
is used for user defined types.

Ali