🚀 go-pugleaf

Ralph Shnelvar (ralphs@tesser.com) wrote:
: matt@cyclops5.berkeley.edu (Matt Austern) wrote:

: >In article <478k57$5gl@stellar.comnet.com> Bret Pehrson
: ><BretP@strata3d.com> writes:
: >
: >There's no way to declare a function such that it's prohibited from
: >modifying global variables; similarly, there's no way to declare a

Using GCC-xtensions one can write:

void foo() __attribute__ ((const));

foo() then is a function without side-effects. Since class static
variables is a subset of global-variables, a const static member
functions would have no side-effects on this subset.

------------------
L.D.

: >function such that it's prohibited from modifying static member
: >variables.

: That's a double pity.

: First, it is a pity that one cannot declare a function and say "You
: can't access global variables.

: Second, it is a pity that class static variables cannot be defined as
: untouchable.

: Thanks for pointing this counter-intuitive use of
: 	function() const
: out.  I actually had to run a test compilation to believe you.

: Ralph
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