On Thu, Nov 21, 2002 at 05:00:44PM -0500, Paul Svensson wrote:

On Thu, 21 Nov 2002, Oren Tirosh wrote:

...

One advantage of using an operator, method or function over in-line formatting is that it enables the use of a template. A new string method can provide run-time evaluation of the same format:

"\(a) + \(b) = \(a+b)\n" r"\(a) + \(b) = \(a+b)\n".cook()

A raw string is used to defer the evaluation of all backslash escape sequences to some later time. The cook method evaluates backslash escapes in the string, including any embedded expressions. This runtime version may be used for internationalization, for example.

Why not call this method "eval", so we all will know to treat it with care ?

If cook() is limited to variable names it will be pretty safe and no special care should be necessary. In that case the example above wouldn't work, though, because it contains (a+b). It will need to use cook_eval(). Since what it does is the opposite of "raw" I just had to call it "cook"! Oren