• spir (14/14) Feb 12 2011 Hello,
• Tomek =?ISO-8859-2?Q?Sowi=F1ski?= (7/16) Feb 12 2011 ntics,=20

spir <denis.spir gmail.com> writes:

Hello,

Is there a way to specify what error to throw using (a variant of) assert:
     assert(n > 0, new ValueError("..."));

(Sure, one can write:
     if (n <= 0)
         throw new ValueError("..."));
but the same remark applies to plain assert: the whole point of assert is to 
have it as builtin feature with clear application field & well-known semantics, 
shared by the community of D programmers.)

Denis
-- 
_________________
vita es estrany
spir.wikidot.com

Tomek =?ISO-8859-2?Q?Sowi=F1ski?= <just ask.me> writes:

spir napisa=B3:

 Is there a way to specify what error to throw using (a variant of) assert:
      assert(n > 0, new ValueError("..."));
=20
 (Sure, one can write:
      if (n <=3D 0)
          throw new ValueError("..."));
 but the same remark applies to plain assert: the whole point of assert is=

 to=20
 have it as builtin feature with clear application field & well-known sema=

ntics,=20
 shared by the community of D programmers.)

With built-in assert, no. But std.exception can do it.

enforce(n > 0, new ValueError("..."));

--=20
Tomek