...void Invalidate(enum{no_redraw,redraw} redraw);
#
# Invalidate(redraw); // or...
# Invalidate(Invalidate.redraw); // or...
# Invalidate...

...void Invalidate( bool redraw );

This declaration seems ok, but when reading the code:

#Invalidate(true...

...I propose the actual syntax for this invalidate-break to be:
for (i=0; i...

...as I understand it), this doesn't invalidate any in-flight instructions; just feeds the...

...guess in some cases they decided to invalidate cached code rather than 'detune' it.

It...

...it gets compiled, then certain things can *invalidate the compiled code* so it goes back...

...called function or a future change could invalidate the claim.  The language (and by implication...

...some things to my attention on IRC that invalidate this syntax, sorry for the clutter.

...this and then rebuilding Phobos seems to invalidate snn.lib.

----------
D:\Data\Stewart\D\Tests...

...matter (except that it would sort of invalidate the state i.e. if you sort...