Checks for tests of surefold code that fail at the test's own line, Either matchers among them.

A structural, offset-aware code comparison utility using the Myers diff algorithm.

Test if a value is a plain object.

Return a function which tests if every element in an array passes a test condition.

Test if a value is an array-like object.

Detect native Symbol.toPrimitive support.

Test if two double-precision floating-point numbers are the same value.

Test if two single-precision floating-point numbers are the same value.

Test if a double-precision floating-point numeric value is infinite.

Test whether two double-precision complex floating-point numbers are the same value.