receive balance

traditional function

same thing, but as a method of the Point type

Distance returns the distance traveled along the path.

!-env !+Eval1

!-Eval1 !+Eval2

!-bench !+example

NOTE: we can't use !+..!- comments to excerpt these tests into the book because it defeats the Example mechanism, which requires the // Output comment

Format formats an expression as a string. It does not attempt to remove unnecessary parens.

Get is concurrency-safe.

!+

NOTE: not concurrency-safe!

New returns a memoization of f. Clients must subsequently call Close.

NewWriter returns a writer for bzip2-compressed streams.

!+handler

This test ensures that the program terminates without crashing.

Test verifies that encoding and decoding a complex data value produces an equal result. The test does not make direct assertions about the encoded ou

NOTE: not concurrency-safe! Test fails.

!+TestCoverage

!-Eval * //!+output sqrt(A / pi) map[A:87616 pi:3.141592653589793] => 167 pow(x, 3) + pow(y, 3) map[x:12 y:1] => 1729 map[x:9 y:10] => 1729 5 / 9

!+Eval

!-test The tests below are expected to fail. See package gopl.io/ch11/word2 for the fix. !+more

!-bench !+test

!- Some other interesting functions:

counter echoes the number of calls so far.

!-breadthFirst !+crawl

!-template !+daysAgo

!+handler handler echoes the HTTP request.