Primality by trial division: Difference between revisions

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Below, we use an implied parameter (.i) on the .isPrime function.
Below, we use an implied parameter (.i) on the .isPrime function.


<syntaxhighlight lang="langur">val .isPrime = fn(.i) .i == 2 or .i > 2 and
<syntaxhighlight lang="langur">val .isPrime = fn(.i) {
not any fn(.x) .i div .x, pseries 2 .. .i ^/ 2
.i == 2 or .i > 2 and
not any fn(.x) { .i div .x }, pseries 2 .. .i ^/ 2
}


writeln filter .isPrime, series 100</syntaxhighlight>
writeln filter .isPrime, series 100</syntaxhighlight>