Prime words: Difference between revisions
Added Go
Thundergnat (talk | contribs) (→{{header|Raku}}: Add a Raku solution) |
(Added Go) |
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Line 138:
meg
q</pre>
=={{header|Go}}==
<lang go>package main
import (
"bytes"
"fmt"
"io/ioutil"
"log"
"strings"
)
func isPrime(n int) bool {
if n < 2 {
return false
}
if n%2 == 0 {
return n == 2
}
if n%3 == 0 {
return n == 3
}
d := 5
for d*d <= n {
if n%d == 0 {
return false
}
d += 2
if n%d == 0 {
return false
}
d += 4
}
return true
}
func main() {
// cache prime runes with codepoints between 33 and 255 say
var primeRunes []rune
for i := 33; i < 256; i += 2 {
if isPrime(i) {
primeRunes = append(primeRunes, rune(i))
}
}
primeString := string(primeRunes)
wordList := "unixdict.txt"
b, err := ioutil.ReadFile(wordList)
if err != nil {
log.Fatal("Error reading file")
}
bwords := bytes.Fields(b)
fmt.Println("Prime words in", wordList, "are:")
for _, bword := range bwords {
word := string(bword)
ok := true
for _, c := range word {
if !strings.ContainsRune(primeString, c) {
ok = false
break
}
}
if ok {
fmt.Println(word)
}
}
}</lang>
{{out}}
<pre>
Prime words in unixdict.txt are:
a
aaa
age
agee
ak
am
ama
e
egg
eke
em
emma
g
ga
gag
gage
gam
game
gamma
ge
gee
gem
gemma
gm
k
keg
m
ma
mae
magma
make
mamma
me
meek
meg
q
</pre>
=={{header|Raku}}==
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