RNA_Transcription

rna_transcription

package main

import (
	"log"
	"bytes"
	"errors"
)

var compliment = map[string]string{"G": "C", "C": "G", "T": "A", "A": "U"}

func transcribe(dna string) (string, error) {
	var buffer bytes.Buffer
	for _, n := range dna {
		if val, ok := compliment[string(n)]; ok {
			buffer.WriteString(val)
		} else {
			return "", errors.New("Error: Unrecognized nucleotide")
		}
	}
	return buffer.String(), nil
}

func main() {
	result, err := transcribe("GAGCCTACTAACGGGAT")
	if err != nil {
		log.Fatalln(err)
	}
	log.Println(result)
}