dart:typed_data

getInt64 abstract method

int getInt64(int byteOffset, [ Endianness endian = Endianness.BIG_ENDIAN ])

Returns the (possibly negative) integer represented by the eight bytes at the specified byteOffset in this object, in two's complement binary form.

The return value will be between -2⁶³ and 2⁶³ - 1, inclusive.

Throws RangeError if byteOffset is negative, or byteOffset + 8 is greater than the length of this object.

Source

int getInt64(int byteOffset, [Endianness endian = Endianness.BIG_ENDIAN]);