Re: parsing fastq files with D

[eastanon via Digitalmars-d-learn]

On Thursday, 24 March 2016 at 06:34:51 UTC, rikki cattermole 
wrote:
                        void popFront() {
                                import std.string : indexOf;
                                
                                if (source is null) {
                                        isEmpty = true;
                                        return;
                                }
                                
                                void tidyInput() {
                                        foreach(i, c; source) {
                                                switch(c) {
                                                        case 0: .. case ' ':
                                                                break;
                                                        default:
                                                                source = 
source[i .. $];
                                                                return;
                                                }
                                        }
                                        
                                        source = null;
                                }
                                
                                tidyInput();

Do you mind to explain  what is really going on at popFront() and 
tidyInput() functions?