flynx/walk.js
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notes...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2018-10-02 02:56:22 +03:00
parent 6f6d316be4
commit 3f106b5155
1 changed files with 2 additions and 5 deletions
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walk.js
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@ -13,13 +13,11 @@
// walk(getter(..))
// walk(getter(..), done(..))
// -> walker(state, ...nodes)
// -> state
//
// Construct a walker with a curried start state...
// walk(getter(..), state)
// walk(getter(..), done(..), state)
// -> walker(...nodes)
// -> state
//
// Walk the set of nodes...
// walk(getter(..), state, ...nodes)
@ -33,12 +31,12 @@
// feasible to do a version of .map(..), i.e. a mechanism to modify/clone
// the input...
// XXX can we hint chrome to show the two singatures???
// XXX EXPERIMENTAL: done(..) handler is not yet final...
// XXX need to remove the restriction of not being able to pass functions
// into state unless done(..) is given...
var walk =
module.walk =
function(getter, state, ...nodes){
// normalize the args...
// XXX EXPERIMENTAL...
var done
// we've got a done handler passed...
if(state instanceof Function){
@ -149,7 +147,6 @@ function(getter, state, ...nodes){
}
// call the done handler...
// XXX EXPERIMENTAL...
res = done ?
done.call(context, res)
: res