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typescript(option): fix: fixed fold returning void

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Signed-off-by: prescientmoon <git@moonythm.dev>
This commit is contained in:
Matei Adriel 2019-12-19 20:23:59 +02:00 committed by prescientmoon
parent 1fda9e8242
commit 5c3225273c
Signed by: prescientmoon
SSH key fingerprint: SHA256:UUF9JT2s8Xfyv76b8ZuVL7XrmimH4o49p4b+iexbVH4
1 changed files with 2 additions and 2 deletions
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4
typescript/option/src/helpers.ts
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@ -49,7 +49,7 @@ export const fold = <T, U>(
initial: U,
option: Option<T>
) => {
match(option, v => folder(initial, v), always(initial))
return match(option, v => folder(initial, v), always(initial))
}
export const foldback = <T, U>(
@ -92,7 +92,7 @@ export const withDefault = <T>(_default: T, option: Option<T>) => {
const checkIfOption = <T>(x): x is Option<T> => x[isOption]
export const flat = <T>(option: Option<T>) => {
export const flat = <T, U>(option: Option<T>): Option<U> => {
return match(
option,
inner => {