go/pangram/coverage.html


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				<option value="file0">pangram/pangram.go (92.9%)</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 pangram determines if a sentence is a pangram.
package pangram

import (
        "regexp"
        "strings"
)

const alpha = "abcdefghijklmnopqrstuvwxyz"

// IsPangram returns true if the string contains all the ASCII letters (a to z).
func IsPangram(input string) bool <span class="cov5" title="12">{

        if len(input) == 0 </span><span class="cov1" title="1">{
                return false
        }</span>

        // Get rid of all things not letters.
        <span class="cov5" title="11">reStr := `[[:^alpha:]]` // `([[:cntrl:]]|[[:digit:]]|[[:space:]]|[[:punct:]]|[[:xdigit:]])`

        re, e := regexp.Compile(reStr)
        if e != nil </span><span class="cov0" title="0">{
                // the raw re string is static but you can still make mistakes, better
                // to panic during tests than quietly "working" incorrectly.
                panic(e)</span>
        }

        <span class="cov5" title="11">input = re.ReplaceAllString(input, "")

        // The string needs at least 26 letters to have the posibility of being a pangram.
        if len(input) &lt; 26 </span><span class="cov1" title="1">{
                return false
        }</span>

        // Make it lowercase to simplify checks.
        <span class="cov4" title="10">input = strings.ToLower(input)

        // Check to see if all 26 letters are in the string. Fail when we can't find one of them.
        for _, a := range alpha </span><span class="cov10" title="207">{
                if !strings.Contains(input, string(a)) </span><span class="cov3" title="4">{
                        return false
                }</span>
        }

        <span class="cov4" title="6">return true</span>
}
</pre>
		
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