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```Let i have code:

Clock.currTime.to!DateTime.Interval!DateTime( 24.hours ).fwdRange( h=>h+1.hours ).writeln;

Now if i want to set the minute=0 and second=0 without breaking chain, what i should do?

with( Clock.currTime.to!DateTime){
minute=0;
second=0
}.Interval!DateTime( 24.hours ).fwdRange( h=>h+1.hours ).writeln;

But it is wrong, because 'with' not return me anything.
```
```I found this solution:

Clock.currTime.to!DateTime.pipe!( dt=>(dt.minute=0,dt.second=0, dt) ).Interval!DateTime( 24.hours ).fwdRange( h=>h+1.hours ).writeln;

Or:

Clock.currTime.to!DateTime.pipe!( "a.minute=0, a.second=0, a" ).Interval!DateTime( 24.hours ).fwdRange( h=>h+1.hours ).writeln;

Is this code looks good, idiomatic?
```
```On 07/15/2017 12:53 PM, closescreen wrote:
> Let i have code:
>
> Clock.currTime.to!DateTime.Interval!DateTime( 24.hours ).fwdRange(
> h=>h+1.hours ).writeln;
>
> Now if i want to set the minute=0 and second=0 without breaking chain,
> what i should do?
>
>
> I think about somewhat like:
>
> with( Clock.currTime.to!DateTime){
>  minute=0;
>  second=0
> }.Interval!DateTime( 24.hours ).fwdRange( h=>h+1.hours ).writeln;
>
> But it is wrong, because 'with' not return me anything.

I would probably write a function:

import std.datetime;
import std.stdio;
import std.range;
import std.conv;

DateTime hourPrecision(DateTime dt) {
dt.minute = 0;
dt.second = 0;
return dt;
}

void main() {
Clock.currTime.to!DateTime.hourPrecision.Interval!DateTime( 24.hours ).fwdRange( h=>h+1.hours ).writeln;
}

Ali

```
```Thanks for reply, Ali.
```