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Add D in action chapter about english HOT 3 CLOSED

wilzbach avatar wilzbach commented on August 11, 2024
Add D in action chapter

from english.

Comments (3)

EmTee70 avatar EmTee70 commented on August 11, 2024

I like this idea very much.
But there should be an very detailed comments explaining what is done with which command from which import. The coolest thing would be to link the code comments directly with the phobos/runtime docs.

The answers to my question about a ruby like n.times{} are nice, too:

The link is to the forum view at digitalmars, because it was easier to find (first google match):

http://www.digitalmars.com/d/archives/digitalmars/D/learn/Most_convenient_way_to_write_a_loop_with_fixed_length_and_no_need_for_94052.html

import std.stdio;
auto times(alias Func, T)(T number) {
     import std.range : iota;
     import std.algorithm : each;
     return number.iota.each!(_ => Func());
}

void foo() {
     writeln("foo");
}

void bar() {
     writeln("bar");
}

void main() {
     3.times!({ foo(); bar(); });
}

from Ali

Or alternatively:

	foreach(unused;0..i)
		fun();
}

you can write your own function. It is simple.

void times(alias fun)(size_t i) {
	foreach(unused;0..i)
		fun();
}

and use it like this:

10.times!({ writeln("yaaay"); });

from Anton Fediushin

from english.

wilzbach avatar wilzbach commented on August 11, 2024

First example is there: #217

from english.

wilzbach avatar wilzbach commented on August 11, 2024

Hence, I'm closing this issue.
The example should appear shortly at https://tour.dlang.org/tour/en/byexample/code-generation-parser

@ other / future readers: please feel more than free to add further interesting examples showing modern D usage.

from english.

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