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Function: toMaxWith()

toMaxWith<Value>(fn): OptionalReducer<Value>

Returns an optional reducer that finds the maximum value of the values it receives by comparing the numerical values of each value, as defined by fn.

Use when composing reducers. Prefer maxWith for direct use on iterables.

Type Parameters​

• Value

Parameters​

• fn

Returns​

OptionalReducer<Value>

Example​

console.log(
  pipe(
    [`sloth`, `more sloth`, `sleep`, `some sloth`],
    map(string => [string.length, string]),
    reduce(toGrouped(toMaxWith(string => string.codePointAt(0)), toMap())),
  ),
)
//=> Map(2) { 5 => 'sloth', 10 => 'some sloth' }

Defined in​

statistics.d.ts:788