and

and VALUE...

any

The falsy values are false, 0, any nil pointer or interface value, any array, slice, map, or string of length zero, and zero time.Time values.

Everything else is truthy.

{{ and 1 0 "" }} → 0 (int)
{{ and 1 false 0 }} → false (bool)

{{ and 1 2 3 }} → 3 (int)
{{ and "a" "b" "c" }} → c (string)
{{ and "a" 1 true }} → true (bool)

See Go’s text/template documentation for more information.