helper

FileExists Checks whether a file or directory exists.

IsArray Check if the value is an array, the default is non-strict mode Non-strict mode type is SLICE, Array, and map will return true.

IsPtr Check if value is a pointer type.

IsSlice check if value is slice.

SafeMul Safety multiplication.

StrSizeToBytes converts strings like 1GB or 12 mb into an unsigned integer number of bytes.

Typeof return the value data type.