typescript(option): fix: fixed wrong types for bind, bindAsync, and probably other helpers as well

Signed-off-by: prescientmoon <git@moonythm.dev>

typescript/option/src/helpers/external.ts

@@ -1,4 +1,5 @@
 export * from './bind'
+export * from './bindAsync'
 export * from './count'
 export * from './exists'
 export * from './filter'
@@ -13,8 +14,7 @@ export * from './isNone'
 export * from './isSome'
 export * from './iter'
 export * from './map'
+export * from './mapAsync'
 export * from './toArray'
 export * from './toNullable'
 export * from './withDefault'
-export * from './mapAsync'
-export * from './bindAsync'

typescript/option/src/internalTypes.ts

@@ -1,8 +1,8 @@
 import { Option } from './types'
 
 export type Mapper<T, U> = (v: T) => U
-export type Binder<T, U> = Mapper<T, Option<U>>
-export type Predicate<T> = Mapper<T, boolean>
+export type Binder<T, U> = (v: T) => Option<U>
+export type Predicate<T> = (v: T) => boolean
 export type Folder<T, U> = (s: U, v: T) => U
 export type BackFolder<T, U> = (v: T, s: U) => U
 export type Nullable<T> = T | null