https://github.com/FujiiMaika/fscd21.git
Revision e37c343043f96682641adee832f694a370344b48 authored by Maika Fujii on 24 June 2021, 05:50:47 UTC, committed by GitHub on 24 June 2021, 05:50:47 UTC
1 parent 4271805
Tip revision: e37c343043f96682641adee832f694a370344b48 authored by Maika Fujii on 24 June 2021, 05:50:47 UTC
Update README.md
Update README.md
Tip revision: e37c343
env.ml
type 'a t = 'a list
let empty = []
(* exceptions *)
exception UnboundVariable
(* offset : string -> xs -> int *)
let offset x xs =
let rec loop xs n = match xs with
[] -> raise UnboundVariable
| first :: rest -> if x = first then n else loop rest (n + 1)
in
loop xs 0
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