[Python-Dev] Lukewarm about range literals

2000年8月29日 11:48:43 -0500 (CDT)

Guido van Rossum writes:
 > Alas, it could never work. Look at this:
 > 
 > for i in a:b:c
 > 
 > Does it mean
 > 
 > for i in (a:b) : c
 > 
 > or
 > 
 > for i in a: (b:c)
Of course, it means "for i in the range from a to b-1 with stride c", but as written it's
illegal because you'd need another `:' after the c. <wink>
 > I'm postponing this discussion until after Python 2.0 final is
 > released -- the feature freeze is real!
Absolutely. I won't bring this up again, until the approprate time.