On 9/21/17 3:24 PM, Timon Gehr wrote:
This is a good alternative, maybe arrange it like this:
dfs(a + 1, b); dfs(a, b + 1);
dfs(a - 1, b); dfs(a, b - 1);
Yes, better!
Just need to make sure no code is duplicated. (For example, there could
be more work to do in each loop iteration, and then
On 21.09.2017 17:53, Steven Schveighoffer wrote:
On 9/21/17 11:48 AM, Steven Schveighoffer wrote:
On 9/21/17 11:06 AM, Timon Gehr wrote:
foreach(i; 0 .. 4){
dfs(a + (i==0) - (i==1),
b + (i==2) - (i==3));
}
So am I, but I wasn't commenting on
On Wednesday, 20 September 2017 at 19:25:58 UTC, Timon Gehr wrote:
Actually, it is useful enough to have a Wikipedia page:
https://en.wikipedia.org/wiki/Iverson_bracket
Example of a good use:
void floodFill(dchar[][] data,dchar c,int i,int j) {
void dfs(int a, int b) {
if (a<0 ||
On 9/21/17 11:48 AM, Steven Schveighoffer wrote:
On 9/21/17 11:06 AM, Timon Gehr wrote:
foreach(i; 0 .. 4){
dfs(a + (i==0) - (i==1),
b + (i==2) - (i==3));
}
So am I, but I wasn't commenting on trade-offs, only the view that
there are no good
On 9/21/17 11:06 AM, Timon Gehr wrote:
foreach(i; 0 .. 4){
dfs(a + (i==0) - (i==1),
b + (i==2) - (i==3));
}
...
So am I, but I wasn't commenting on trade-offs, only the view that there
are no good uses.
This seems way easier for me to grok, and
On 20.09.2017 23:13, nkm1 wrote:
Example of a good use:
void floodFill(dchar[][] data,dchar c,int i,int j) {
void dfs(int a, int b) {
Example of a good use:
void floodFill(dchar[][] data,dchar c,int i,int j) {
void dfs(int a, int b) {
if (a<0 || a >= data.length) return;
On Wednesday, September 20, 2017 21:13:58 nkm1 via Digitalmars-d-learn
wrote:
> OTOH, booleans being numbers is a source of some bugs (just like
> other cases of weak typing). Not a ton of bugs, but the utility
> of implicit conversion to numbers is so unnoticeable that I'm
> sure it's just not
On Wednesday, 20 September 2017 at 19:25:58 UTC, Timon Gehr wrote:
Actually, it is useful enough to have a Wikipedia page:
https://en.wikipedia.org/wiki/Iverson_bracket
Mmmm... "The notation was originally introduced by Kenneth E.
Iverson in his programming language APL".
APL... yeah :)
On Wednesday, 20 September 2017 at 19:25:58 UTC, Timon Gehr wrote:
On 19.09.2017 23:17, nkm1 wrote:
...
OTOH, booleans converting to numbers is a very questionable
feature. > I certainly have never seen any good use for it. ...
Actually, it is useful enough to have a Wikipedia page:
On 19.09.2017 23:17, nkm1 wrote:
...
OTOH, booleans converting to numbers is a very questionable feature. > I
certainly have never seen any good use for it. ...
Actually, it is useful enough to have a Wikipedia page:
https://en.wikipedia.org/wiki/Iverson_bracket
Example of a good use:
void
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