guards.Function.isBool

@zenstone/ts-utils / guards / isBool

Function: isBool()

isBool(val): val is boolean

Defined in: src/guards/index.ts:290

检查值是否为布尔值

Parameters

val

unknown

任意值

Returns

val is boolean

Example

if (isBool(value)) {
  console.log(value ? 'yes' : 'no');
}