Checks if the sub-range from {@code fromIndex} (inclusive) to {@code fromIndex + size} (exclusive) is within the bounds of range from {@code 0} (inclusive) to {@code length} (exclusive).

Checks if the sub-range from {@code fromIndex} (inclusive) to {@code toIndex} (exclusive) is within the bounds of range from {@code 0} (inclusive) to {@code length} (exclusive).

Checks if the {@code index} is within the bounds of the range from {@code 0} (inclusive) to {@code length} (exclusive).

Returns 0 if the arguments are identical and {@code c.compare(a, b)} otherwise.

DeepCopys returns a interface consisting of the deeply copying elements.

DeepEquals Returns {@code true} if the arguments are deeply equal to each other and {@code false} otherwise.

DumpFuncInfo returns m's function info.

获取一个对象的字段和方法.

Equals Returns {@code true} if the arguments are equal to each other and {@code false} otherwise.

IsCloneable Returns {@code true} if the arguments are a chan or func field or pointer to chan or func and {@code false} otherwise.

IsNil returns {@code true} if the provided reference is {@code nil} otherwise returns {@code false}.

IsNil returns {@code true} if the provided reference can be assigned {@code nil} otherwise returns {@code false}.

IsZero reports whether a value is a zero value of its kind.

IsNil returns {@code true} if the provided reference is non-{@code nil} otherwise returns {@code false}.

RequireNonNil checks that the specified object reference is not {@code nil}.

RequireNonNil checks that the specified object reference is not {@code nil}.

grammer surgar for RequireNonNil.

RequireNonNullElse returns the first argument if it is non-{@code nil} and otherwise returns the non-{@code nil} second argument.

RequireNonNullElseGet returns the first argument if it is non-{@code nil} and returns the non-{@code nil} value of {@code supplier.Get()}.

Returns the result of calling {@code toString} on the first argument if the first argument is not {@code null} and returns the second argument otherwise.