feat: adds simple evaluator

1 files changed, 2 insertions, 13 deletions

diff --git a/src/utils/parser-comb.ts b/src/utils/parser-comb.ts
index 49f633e..e0665f6 100644
--- a/src/utils/parser-comb.ts
+++ b/src/utils/parser-comb.ts
@@ -1,16 +1,5 @@
-import { Enum, constructors, match } from './adt';
-
-export type Result<V, E> = Enum<{ Ok: V, Err: E }>
-export const Result = constructors<Result<any, any>>()
-
-export const mapResult = <A, B, E>(res: Result<A, E>, fn: (_: A) => B): Result<B, E> =>
-  chainResult(res, a => Result.Ok(fn(a)))
-
-export const chainResult = <A, B, E>(res: Result<A, E>, fn: (_: A) => Result<B, E>): Result<B, E> =>
-  match(res, {
-    Ok: a => fn(a),
-    Err: e => Result.Err(e),
-  });
+import { match } from './adt';
+import { Result, mapResult, chainResult } from './result';
 
 export type ParseResult<T> = Result<{ value: T, input: string }, { error: string, input: string }>;