Weak Head Normal Form

Short Head Line Weak Head Line Thin Head Line Absent Head Line

Weak Head Normal Form. A constructor (eventually applied to arguments) like true, just (square 42) or (:) 1. Aside from a healthy mental workout, we find lambda calculus is sometimes superior:

Short Head Line Weak Head Line Thin Head Line Absent Head Line
Short Head Line Weak Head Line Thin Head Line Absent Head Line

Whnf [ (\x.y) z ] = false (1) whnf [ \x. But then i read this wikipedia article where whnf is defined for the lambda calculus as follows: A term in weak head normal form is either a term in head normal form or a lambda abstraction. And once i read through them i thought i got it. Web i have question about weak head normal form and normal form. (f x) ] = false (2) whnf [ x y ] = whnf [ x ] (3) in all other cases whnf [x] = true (4) Alonzo church was alan turing’s doctoral advisor, and his lambda calculus predates turing machines. Web reduce terms to weak normal forms only. Normal form means, the expression will be fully evaluated. The evaluation of the first argument of seq will only happen when the.

Web 1 there are already plenty of questions about weak head normal form etc. Web i have question about weak head normal form and normal form. And once i read through them i thought i got it. So, seq forced the list to be evaluated but not the components that make. Web weak head normal form. A term in weak head normal form is either a term in head normal form or a lambda abstraction. Seq is defined as follows. Reduction strategies [ edit ] Web reduce terms to weak normal forms only. Web 1 there are already plenty of questions about weak head normal form etc. Web the first argument of seq is not guaranteed to be evaluated before the second argument.