[]byte,error) func(x*Int)Int64()int64 func(x*Int)IsInt64()bool func(x*Int)IsUint64()bool func(z*Int)Lsh
0x0BPF_JEQ=0x10BPF_JGE=0x30BPF_JGT=0x20BPF_JMP=0x5BPF_JSET=0x40BPF_K=0x0BPF_LD=0x0BPF_LDX=0x1BPF_LEN=0x80BPF_LSH