(yeah, right?) what does 'foo' really mean? Void foo () { } void foo (void) { } is there a difference between these two? Consider these two function definitions:
I hope this qualifies as a programming question, as in any programming tutorial, you eventually come across 'foo' in the code examples. I know there is a difference, i just don't understand the definitions i have found in various books. 原文: the terms foobar, foo, bar, baz and qux are sometimes used as placeholder names (also referred to as metasyntactic variables) in computer programming or.
The first documented foo in tech circles is probably 1959 's dictionary of the tmrc language: Several times i've found these terms in scientific articles. In many program test case or example case, i always see bar and foo, what is the two word represent for and why choose this two words as example? Foo and bar are names for variables, classes, whatever that have no meaning and are often used in examples.
Furthermore this terminology in some way serves as a. What is the foo in def function(foo): To be spoken only when under. If not, why is the void argument there?
Used for when you can use def function(): Is it for aesthetic reasons? I've always wanted to know what the foo, bar, baz, etc.