How to use the monet.Left function in monet
To help you get started, we’ve selected a few monet examples, based on popular ways it is used in public projects.
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kepta / idly / packages / idly-state / src / dataStructures / set.ts View on Github 
export const ErrorWhen = (fn: ((r: K) => boolean), error: T) => (
value: K
) => (fn(value) ? Left(error) : Right(value));const eitherObjArrayOrErr = (o, filename) => {
return (fp_1.isPlainObject(o) || fp_1.isArray(o)) ? monet_1.Right(o) : monet_1.Left(new Error(`${filename} must export an object or an array.`));
};
const startsWithAt = fp_1.startsWith('@');export const EitherCond = (cond: boolean, left: T, right: K) =>
cond ? Left(left) : Right(right);export const ErrorWhen = (fn: ((r: K) => boolean), error: T) => (
value: K
) => (fn(value) ? Left(error) : Right(value));export const EitherCond = (cond: boolean, left: T, right: K) =>
cond ? Left(left) : Right(right);export const foldEitherArray = (arr: Array>) => {
const result: K[] = [];
for (const x of arr) {
if (x.isLeft()) {
return Left(x.left());
}
result.push(x.right());
}
return Right(result);
};public static left(err: Error): Either {
return Left(err);
}
public static right(val: T): Either {const eitherUnwrapOrFail = (o, filename) => {
return (fp_1.isFunction(fp_1.get('Plugin.getPlugin', o)))
? monet_1.Right(o.Plugin)
: monet_1.Left(new Error(`${filename} failed to unwrap.`));
};
const eitherObjArrayOrErr = (o, filename) => {public static left(err: Error): Either {
return Left(err);
}
public static right(val: T): Either {export const foldEitherArray = (arr: Array>) => {
const result: K[] = [];
for (const x of arr) {
if (x.isLeft()) {
return Left(x.left());
}
result.push(x.right());
}
return Right(result);
};
