Re: range result in Tuple! and how to convert into assocArray by sort?

[forkit via Digitalmars-d-learn]

On Tuesday, 10 May 2022 at 03:22:04 UTC, MichaelBi wrote:
s is the string, and print result as following:
s.array.sort!("a<b").group.assocArray.byPair.array.sort!("a[0]<b[0]").each!writeln;

Tuple!(dchar, "key", uint, "value")('A', 231)
Tuple!(dchar, "key", uint, "value")('C', 247)
Tuple!(dchar, "key", uint, "value")('G', 240)
Tuple!(dchar, "key", uint, "value")('T', 209)

then how to transfer into 
[['A',231],['C',247],['G',240],['T',209]]? tried map!, but can 
only sortout key or value... tried array(), but result is not 
sorted then...thanks in advance.

Adding tuples to an AA is easy.

Sorting the output of an AA is the tricky part.

// -----

module test;
@safe:

import std;

void main()
{
    uint[dchar] myAA;
    Tuple!(dchar, uint) myTuple;

    myTuple[0] = 'C'; myTuple[1] = 247;
    myAA[ myTuple[0] ] = myTuple[1];

    myTuple[0] = 'G'; myTuple[1] = 240;
    myAA[ myTuple[0] ] = myTuple[1];

    myTuple[0] = 'A'; myTuple[1] = 231;
    myAA[ myTuple[0] ] = myTuple[1];

    myTuple[0] = 'T'; myTuple[1] = 209;
    myAA[ myTuple[0] ] = myTuple[1];

    // NOTE: associative arrays do not preserve the order of the 
keys inserted into the array.
    // See: https://dlang.org/spec/hash-map.html

    // if we want the output of an AA to be sorted (by key)..
    string[] orderedKeyPairSet;

    foreach(ref key, ref value; myAA.byPair)
        orderedKeyPairSet ~= key.to!string ~ ":" ~ 
value.to!string;

    orderedKeyPairSet.sort;

    foreach(ref str; orderedKeyPairSet)
        writeln(str);

    /+
    A:231
    C:247
    G:240
    T:209
   +/

}

// --------