go/src/compress/flate/example_test.go

// In performance critical applications, Reset can be used to discard the
// current compressor or decompressor state and reinitialize them quickly
// by taking advantage of previously allocated memory.
func Example_reset() { … }

// A preset dictionary can be used to improve the compression ratio.
// The downside to using a dictionary is that the compressor and decompressor
// must agree in advance what dictionary to use.
func Example_dictionary() { … }

// DEFLATE is suitable for transmitting compressed data across the network.
func Example_synchronization() { … }