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Function: none()

Returns true if fn returns a falsy value for all values of iterable. Otherwise returns false.

Example​

console.log(
  pipe(
    [`sloth`, `more sloth`, `even more sloth`],
    none(string => string.length > 8),
  ),
)
//=> false

none(fn)​

none<Value>(fn): (iterable) => boolean

Returns true if fn returns a falsy value for all values of iterable. Otherwise returns false.

Type Parameters​

• Value

Parameters​

• fn

Returns​

Function

Parameters​

• iterable: Iterable<Value, any, any>

Returns​

boolean

Example​

console.log(
  pipe(
    [`sloth`, `more sloth`, `even more sloth`],
    none(string => string.length > 8),
  ),
)
//=> false

Defined in​

predicates.d.ts:179

none(fn, iterable)​

none<Value>(fn, iterable): boolean

Returns true if fn returns a falsy value for all values of iterable. Otherwise returns false.

Type Parameters​

• Value

Parameters​

• fn

• iterable: Iterable<Value, any, any>

Returns​

boolean

Example​

console.log(
  pipe(
    [`sloth`, `more sloth`, `even more sloth`],
    none(string => string.length > 8),
  ),
)
//=> false

Defined in​

predicates.d.ts:179