go/rna-transcription/coverage.html


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				<option value="file0">strand/rna_transcription.go (95.2%)</option>
				
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				<span>not tracked</span>
			
				<span class="cov0">no coverage</span>
				<span class="cov1">low coverage</span>
				<span class="cov2">*</span>
				<span class="cov3">*</span>
				<span class="cov4">*</span>
				<span class="cov5">*</span>
				<span class="cov6">*</span>
				<span class="cov7">*</span>
				<span class="cov8">*</span>
				<span class="cov9">*</span>
				<span class="cov10">high coverage</span>
			
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		<pre class="file" id="file0" style="display: none">// Package strand is used to convert DNA sequences into RNA sequences.
package strand

import (
        "fmt"
        "regexp"
)

// DNA is a list of nucleotides.
type DNA string

// IsValid returns true if the DNA strand is valid.
func (d DNA) IsValid() (bool, error) <span class="cov6" title="7">{
        // Valid nucleotides.
        const nucleotides = "ACGT"

        if match, _ := regexp.MatchString(`^[`+nucleotides+`]+$`, string(d)); !match </span><span class="cov1" title="1">{
                return false, fmt.Errorf("DNA sequence, %q, contains invalid nucleotides", string(d))
        }</span>

        <span class="cov6" title="6">return true, nil</span>
}

// String returns a pretty formated representation of a DNA type.
func (d DNA) String() string <span class="cov0" title="0">{
        // we need string(d) here to prevent recursion
        return fmt.Sprintf("%s", string(d))
}</span>

// ConvertToRNA returns a pretty formated representation of a DNA type.
func (d DNA) ConvertToRNA() RNA <span class="cov6" title="7">{
        if t, e := d.IsValid(); !t </span><span class="cov1" title="1">{
                panic(e)</span>
        }

        <span class="cov6" title="6">dna2rna := map[rune]rune{
                'G': 'C',
                'C': 'G',
                'T': 'A',
                'A': 'U',
        }

        var rna RNA

        for _, r := range d </span><span class="cov10" title="20">{
                value, found := dna2rna[r]

                if found </span><span class="cov10" title="20">{
                        rna += RNA(value)
                }</span>
        }

        <span class="cov6" title="6">return rna</span>
}

// RNA is a list of nucleotides.
type RNA string

// String returns a pretty formated representation of a DNA type.
func (d RNA) String() string <span class="cov6" title="6">{
        // we need string(d) here to prevent recursion
        return fmt.Sprintf("%s", string(d))
}</span>

// ToRNA returns an RNA sequence from a DNA sequence.
func ToRNA(s string) string <span class="cov7" title="8">{
        if len(s) == 0 </span><span class="cov1" title="1">{
                return ""
        }</span>

        <span class="cov6" title="7">var dna DNA = DNA(s)
        var rna RNA

        rna = dna.ConvertToRNA()

        return rna.String()</span>
}
</pre>
		
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