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| -rw-r--r-- | examples/impure-concept.lisp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/examples/impure-concept.lisp b/examples/impure-concept.lisp new file mode 100644 index 0000000..e612339 --- /dev/null +++ b/examples/impure-concept.lisp @@ -0,0 +1,12 @@ +; What color is your function? +; Impure functions are functions that can call both pure and impure functions. +; Pure functions can only call pure functions. +; Impure function names end in an exclamation mark (!) by convention. +; The top-level context is impure but has special rules +; related to (import!) and (let!). + +; pure function +(let! f (\[x] x)) + +; impure function +(let! g (\![x] (print! x))) |