Factorial: Difference between revisions

<syntaxhighlight lang="langur">val .factorial = ffn(.n) fold(ffn{x*}, 2 .. .n)

<syntaxhighlight lang="langur">val .factorial = ffn(.x) if(.x < 2: 1; .x x* self(.x - 1))

<syntaxhighlight lang="langur">val .factorial = ffn(.i) {

.answer x*= .x

<syntaxhighlight lang="langur">val .factorial = ffn(.n) for[=1] .x in .n { _for x*= .x }