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e220b7930c
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baab2e75d9
@ -22,7 +22,7 @@ export const eitherChain =
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fa._tag === 'Right' ? f(fa.right) : fa
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fa._tag === 'Right' ? f(fa.right) : fa
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export const fold =
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export const fold =
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<A, E, B>(onLeft: (e: E) => B, onRight: (a: A) => B) =>
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<A, B, E>(onLeft: (e: E) => B, onRight: (a: A) => B) =>
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(fa: Either<A, E>): B =>
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(fa: Either<A, E>): B =>
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fa._tag === 'Left' ? onLeft(fa.left) : onRight(fa.right)
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fa._tag === 'Left' ? onLeft(fa.left) : onRight(fa.right)
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@ -174,11 +174,5 @@ export const tryCatch = <A>(f: () => A): Either<A, Error> => {
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}
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}
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}
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}
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export interface Tag<T> {
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readonly _tag: T
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}
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export const hasTag = (x: string) => (y: Tag<string>) => x === y._tag
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export const fromNullable = <A>(a: A | null | undefined): Option<A> =>
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export const fromNullable = <A>(a: A | null | undefined): Option<A> =>
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a == null ? none : some(a)
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a == null ? none : some(a)
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