dup

<=

duplicate the top of the stack and convert non-returning call to a do-return call

Parameters

dup value :any

Returns

  • :any

Examples

copy
; a label normally consumes its inputs
; and returns nothing

; using dup before a call, the non-returning function
; becomes a returning one

a: b: <= 3

print a         ; 3
print b         ; 3

Related