diff options
Diffstat (limited to 'src/lux/reader.clj')
| -rw-r--r-- | src/lux/reader.clj | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/lux/reader.clj b/src/lux/reader.clj index 571a6c5dc..b81b7c826 100644 --- a/src/lux/reader.clj +++ b/src/lux/reader.clj @@ -129,3 +129,13 @@ (reduce (fn [tail head] (&/$Cons head tail)) &/$Nil (reverse indexed-lines)))) + +(defn with-source [name content body] + (fn [state] + (|let [old-source (&/get$ &/$source state)] + (|case (body (&/set$ &/$source (from name content) state)) + (&/$Left error) + (&/$Left error) + + (&/$Right state* output) + (&/$Right (&/T [(&/set$ &/$source old-source state*) output])))))) |